When the husband and wife handle the divorce by agreement, they need to submit the divorce agreement to the Civil Affairs Bureau. The divorce agreement is in triplicate, which means that one copy is kept for filing in the Civil Affairs Bureau. When the divorce agreement is lost, please don't worry. If the divorce agreement is lost, it can be reissued. You just need to take your divorce certificate and your valid ID card or residence booklet to the marriage registration center to apply for consulting the divorce file. The staff will transfer your file out and, according to their own application, A copy of the divorce agreement submitted to the Civil Affairs Bureau and stamped with the official seal is enough. In addition, if you lose only a divorce agreement, it will not affect your remarriage registration, and you can go through the normal procedures directly. But if you lost your divorce certificate, you need to apply to the Civil Affairs Bureau for a new divorce certificate, and then go through the formalities of remarriage. It should also be added that if you lose the divorce judgment or mediation statement of the court, you need to go to the court to copy an original copy, and then you can carry out the remarriage registration after stamping the official seal.
 2、 What is a divorce agreement? A divorce agreement is an agreement between men and women on personal relations, property division, and child rearing. If there is no fraud, coercion, and other acts, and both parties are fully capable of civil conduct, a divorce agreement can be recognized as an expression of the true intentions of both parties and has legal effect. Both parties shall perform their respective obligations in accordance with the principle of good faith. Interpretation of the Supreme People's Court on Several Issues Concerning the Application of the Marriage Law of the People's Republic of China
 （2） Article 8 stipulates that "the provisions on property division in the divorce agreement or the agreement on property division reached by the parties due to divorce shall be legally binding on both men and women. If the parties bring a lawsuit due to the implementation of the above property division agreement, the people's court shall accept it." That is to say, the disputes arising from the implementation of the agreement, The parties may bring a lawsuit to the people's court to request the other party to perform the contents of the agreement, and the people's court shall accept it. If the court finds out that the agreement was signed by the party without civil capacity or under fraud or coercion, it will revoke the divorce agreement, otherwise, it will judge the other party to perform its obligations according to the agreement.