Marriage between relatives is allowed by law, but relatives and parties cannot be direct blood relatives or collateral blood relatives within three generations. If the two parties are related, but beyond the scope of the above relationship, then both men and women can register for marriage without other laws prohibiting marriage.

Legal objectivity:

Article 1048 of the Civil Code of People's Republic of China (PRC) prohibits the marriage of lineal blood relatives or collateral blood relatives within three generations. Article 1054 of the Civil Code of People's Republic of China (PRC) * * * An invalid or revoked marriage is not legally binding from the beginning, and the parties have no rights and obligations between husband and wife. Property acquired during cohabitation shall be handled by the parties through agreement; If the agreement fails, the people's court shall make a judgment according to the principle of taking care of the innocent party. The property disposal of invalid marriage caused by bigamy shall not infringe upon the property rights and interests of the parties to legal marriage. The provisions of this law concerning parents and children shall apply to the children born to the parties concerned. If the marriage is invalid or revoked, the innocent party has the right to claim damages.