Legal basis: Civil Code of People's Republic of China (PRC).
Article 1046 Marriage shall be voluntary by both men and women, and it is forbidden for either party to force the other, and no organization or individual may interfere.
Article 1047 The age of marriage shall not be earlier than 22 for men and 20 for women.
1048th lineal blood relatives or collateral blood relatives within three generations are prohibited from getting married.