According to the relevant laws and regulations of China, the current marital status of the parties is married, and the marriage certificate cannot be obtained repeatedly. The current marital status is unmarried, but the household register is married, the parties need to provide the registration authority to prove the authenticity of the statement of the court effective judicial documents, spouse resident death medical certificate (inference) and other materials; If it is inconsistent and unable to provide relevant materials, the parties shall first go to the relevant departments for correction.

1, according to China's "marriage registration work norms" chapter IV Article 29, the marital status of the household register should be consistent with the declaration of the parties.
If the current marital status of the party is unmarried and the household register is married, the party needs to provide the registration authority with a judicial document effective by the court to prove the authenticity of the statement, a medical certificate (inference) of the death of the spouse resident and other materials.
If the information is inconsistent and the relevant materials cannot be provided, the parties shall first go to the relevant department (the local police station or the civil affairs department) for correction.
(2) If the current marital status of the parties is married, the marriage certificate cannot be obtained repeatedly.