According to the provisions of the Marriage Registration Ordinance:

Article 10 If a mainland resident divorces voluntarily, both men and women shall register for divorce at the marriage registration office where one of the permanent residences is located.

China citizens and foreigners voluntarily divorce in China Mainland, while mainland residents and Hong Kong residents, Macao residents, Taiwan Province residents and overseas Chinese voluntarily divorce in China Mainland. Both men and women should register for divorce at the marriage registration office where the permanent residence of mainland residents is located.

Article 11 Mainland residents applying for divorce shall submit the following documents and supporting materials:

(1) My household registration book and ID card;

(2) my marriage certificate;

(3) The divorce agreement signed by both parties.

When applying for divorce registration, Hong Kong residents, Macao residents, Taiwan Province residents, overseas Chinese and foreigners shall present valid passports and identity cards in addition to the documents and supporting materials specified in Items (2) and (3) of the preceding paragraph, and overseas Chinese and foreigners shall also present valid passports or other valid international travel documents.

The divorce agreement shall specify the expression of willingness of both parties to divorce and the consensus on matters such as child support, property and debt disposal.

According to the Code for Marriage Registration:

(4) Both husband and wife sign a divorce agreement on the spot; The marriage registrar can affix "This document is consistent with the archived document, and the alteration is invalid. XXXX Marriage Registry XX, XX, XX "rectangular seal. One copy of the agreement is held by both husband and wife, and one copy is filed in the marriage registration office. If a party requests the marriage registration authority to copy the divorce agreement because of the loss of the divorce agreement, it shall consult the marriage registration file in accordance with the provisions of the Measures for the Administration of Marriage Registration Files.