Legal analysis: The effective writing format of the prenuptial bride price agreement is as follows. Both parties must sign a bride price agreement on the basis of equality and voluntariness, and the contents of the agreement include: basic information of both parties; Need to specify the property paid by the man to the woman; Property to be returned when both parties agree to divorce; The solution to the dispute between the two parties. There shall be no fraud or coercion during the signing of the agreement; The contents of the agreement shall not be obviously invalid or revocable according to law, such as obviously unfair. Contracts established according to law are protected by law.

Legal basis: Article 5 (1) of the Supreme People's Court's Interpretation on the Application of Marriage and Family in the Civil Code of People's Republic of China (PRC), if a party requests to return the bride price paid according to custom, the people's court shall support it if it is found that it belongs to the following circumstances:

(1) Both parties have not gone through the marriage registration formalities;

(2) Both parties have gone through the marriage registration formalities, but they have not lived together;

(3) premarital payment, causing difficulties to the payer.

The application of items 2 and 3 of the preceding paragraph is conditional on the divorce of both parties.

Article 465 of the Civil Code of People's Republic of China (PRC) * * * Contracts established according to law shall be protected by law.

A legally established contract is legally binding only on the parties, except as otherwise provided by law.

Article 466 If the parties have disputes over the understanding of the terms of the contract, they shall determine the meaning of the disputed terms in accordance with the provisions of the first paragraph of Article 142 of this Law.

Where a contract text is concluded in two or more languages, and the agreement is equally authentic, the words used in each text shall have the same meaning. If the words and expressions used in each text are inconsistent, they shall be interpreted according to the relevant terms, nature, purpose and principle of good faith of the contract.