The marriage certificate is a legal document issued by the marriage registration authority to prove the effective establishment of the marriage relationship. 1. As a marriage registration organ, the marriage registration organ has the functions of administrative licensing and record keeping; 2. From the moment of obtaining the marriage certificate, as far as personal relationship is concerned, the husband and wife relationship has formed a legal sense of husband and wife relationship, which is protected by law; 3. During the marriage, both parties shall not marry other opposite sex; 4. In terms of property relations, the house property after obtaining the house property certificate is generally mixed with the husband and wife's common property, and both parties have equal rights to dispose of the house property; 5. Both parties are obliged to repay the debts of living together. When one party dies, the other party shall participate in the distribution of the estate as the first heir. Finally, the marriage certificate can also be used for other purposes, such as transferring the household registration when the children grow up, going abroad, bank loans, house transfer, etc., and even for divorce.
 Legal basis
 Article 1046 of the Civil Code of the People's Republic of China [Voluntary Marriage] Marriage shall be completely voluntary between men and women. Neither party is allowed to force the other party, nor is any organization or individual allowed to interfere.