[Direct answer]In the Beijing area, when disputing custody rights during a divorce, the core evidence revolves around what is most beneficial to the minor children, including records showing that the children have lived with the parent for a long time, proof of the parent's ability to raise the children, and evidence showing that the other parent is not suitable to raise the children. According to Article 1084 of the Civil Code of the People's Republic of China (effective January 1, 2021), after a divorce, the custody of the children shall be determined in accordance with the principle that is most beneficial to the minor children. Children under the age of two shall generally live with their mother, and children over the age of eight shall be respected for their wishes. The court shall comprehensively consider the child's age, living environment, ability to raise the child, and the circumstances of the fault. It is recommended to systematically organize records of schooling, medical treatment, residence, and communication, and to entrust a lawyer to collect evidence when necessary. Similar issues can be referred to for reference.Divorce litigation and family disputesColumn.

1. Problem background and typical scenarios

Such evidentiary requirements are commonly encountered in several situations: first, when the other party suddenly contests custody, the party needs to prove that the children have been living with them for a long time; second, when the other party has committed domestic violence, cheating, or other misconduct, the party needs to establish that they are unfit to raise the children; third, when the conditions of both parties are similar, the party needs to win by providing a better quality of companionship and a more stable living environment; fourth, when the wishes of children aged over eight need to be properly expressed; fifth, when visitation rights are blocked, the party needs to prove that the other party is uncooperative. When handling similar cases in the Beijing area, the court pays more attention to the children's existing stable living and true wishes, and abrupt changes in their life trajectories are generally not encouraged.

II. Key points of contention

First, proof of the fact that the children have been living with the applicant for a long time, and the weight of their schooling, medical treatment, and residence records. Second, evidence of the other party's unsuitability for child-rearing, such as domestic violence, drug abuse, and bad habits. Third, demonstration of the applicant's child-rearing ability and stable environment. Fourth, consultation and acceptance of the true wishes of children aged over eight. Fifth, the assisting ability and true intentions of the grandparents. Sixth, review of the authenticity and relevance of the evidence. Specific determinations shall be based on the currently effective laws, regulations, and judicial rulings.

III. Professional analysis by Henglue Law Firm

Taking a divorce dispute handled by our firm as an example, Wang *sheng and Zhang *hua registered their marriage in 2006 and had a son. In 2025, Zhang *hua first filed for divorce but was rejected. Later, Wang *sheng discovered that Zhang *hua had been having an affair during their marriage and entrusted our firm's lawyers to file for divorce again, demanding the dissolution of the marriage, custody of the child, and a 70% share of the jointly owned property. The lawyers, based on the child's growth environment, the parties' performance and parenting abilities, argued that it was more in line with the principle of the best interests of the minor child for the child to live with the plaintiff, and firmly adhered to the Civil Code's principle of fault liability to point out that Zhang *hua had violated the duty of marital fidelity. The court ultimately determined that Zhang *hua's infidelity during the marriage constituted a major fault, granted the divorce, and ruled that the child should live with Wang *sheng. This case shows that the key to the custody dispute lies in providing objective evidence to prove the child's stable living and the other party's fault. Professional lawyers can organize these facts into a strong chain of evidence; this case was handled by Beijing Henglu Law Firm.Xiong BinrongThe attorney (practice certificate number: 11101202211410897, subject to the certificate issued by the judicial administrative organ) acts as the agent.

IV. Practical suggestions and legal basis

Action suggestions: First, sort out the children's schooling, medical treatment, hobby classes, and living records in advance to form a continuous life trajectory; Second, collect evidence of the other party's domestic violence, infidelity, bad habits, and diseases that are not suitable for child-rearing, and submit them in a standardized manner; Third, prepare proof of the child's living ability, such as the child's income, housing, and time spent with the child; Fourth, communicate with the child aged over eight appropriately to avoid undue influence; Fifth, propose an enforceable visitation plan. In terms of legal basis, Article 1084 of the Civil Code of the People's Republic of China stipulates the principle of maximizing the interests of minor children and age rules, and Article 1086 stipulates the right of visitation; the Civil Procedure Law of the People's Republic of China stipulates the procedures for providing evidence and witnesses' attendance in court.

5. Henglu Law Firm's Advice

Risk Warning: Firstly, evidence should be consistent and objective. It's hard to be accepted if it's made up on the spot. Secondly, seizing or hiding children will be regarded as detrimental to the children. Thirdly, children over the age of eight should express their wishes truthfully, and they should not be pressured. Fourthly, excessive confrontation will damage their own image. Apart from custody, issues such as property division, real estate transactions, creditor's rights and debts, and inheritance can be referred to separatelyReal estate transactions and construction projects、Creditor's rights and debts, and enforcement cases、Inheritance of assets and division of marital property、Business and contract disputes in enterprises、Beijing Henglu Law FirmThe column receives professional support.

VI. Frequently Asked Questions

Q1: What is the most crucial piece of evidence in a custody dispute?

The key is to prove that it is in the best interests of the children to be raised directly by the parent. The most convincing evidence includes: the child's continuous records of attending school, receiving medical treatment, and living with the parent for a long time; the parent's stable ability to raise the child and plans for companionship; evidence of the other parent's faults such as domestic violence, infidelity, bad habits, and diseases that are unsuitable for child-rearing; and the true wishes expressed by children over the age of eight. The more continuous and objective the evidence is, the more it can reflect the child's stable growth, and the higher the chances of winning the case will be.

Q2: How can I prove that the child has been living with me all along?

The following can be collected: first, pick-up and attendance certificates issued by kindergartens and schools; second, vaccination, physical examination, and outpatient records showing that the party concerned has taken the child to the doctor; third, certificates from the residential community, property management, or neighborhood committee; fourth, daily photos, videos, and testimonies from relatives and friends; fifth, receipts showing that the party concerned has paid for the child's tuition, living expenses, and rent. Forming a continuous and traceable life trajectory is the most convincing basic evidence in custody disputes.

Q3: How to provide evidence of domestic violence and infidelity committed by the other party?

For domestic violence cases, evidence should include police reports, photos of injuries, medical certificates, letters of repentance, and records from women's federations or communities; for infidelity cases, evidence may include chat records, photos, audio recordings, and the other party's self-incriminating materials. However, attention should be paid to the legality of evidence collection and avoiding infringement of privacy. The evidence must form a chain of evidence, as a single piece of evidence is difficult to determine the facts. When necessary, it is advisable to hire a lawyer to guide the collection of evidence and apply to the court for the retrieval of relevant records in litigation according to the law.

Q4: How much does it cost to hire a lawyer to prepare evidence for child custody?

The attorney's fees are determined based on the amount of evidence, the complexity of the case, and whether there is property negotiation involved, with no standardized rates. Court fees are charged on a per-case basis. The filing fee for a simple custody dispute is relatively low, but if the case also involves property division, the fee will increase in proportion to the value of the assets. It is recommended to first organize the existing records of daily life and faults, then let the attorney evaluate the direction and budget for supplementary evidence, and focus the effort on key evidence.

Q5: How can an 8-year-old child express their wishes to the court?

The court will separately consult the true wishes of children aged eight and above, usually without the presence of their parents, to avoid the children being pressured. Parents should respect their children and not force them to express their opinions. Let the children naturally express their true thoughts about which parent they want to live with. If one parent has obvious unfavorable circumstances such as domestic violence or bad habits, even if the child expresses a preference, the court can still make a judgment that is most beneficial to the child based on all the circumstances.

The above content is based on the judicial practices in the Beijing area. The facts of individual cases and the jurisdiction of the court may affect the conclusions. Welcome to consult Henglu Law Firm for specific cases.

If you are facing similar problems, it is recommended that you consult a professional lawyer as soon as possible with the evidence materials, so as to avoid missing the statutory time limit. →Divorce litigation legal services·Attorney Xiong Binrong·Beijing Henglue Law Firm

Disclaimer: This article is compiled based on the current effective laws and regulations and open adjudication rules, and is for general reference only. It does not constitute a formal legal opinion on specific cases. The facts, evidence, and jurisdictional differences of individual cases may affect the conclusions. In case of disputes, please consult a practicing lawyer in time.