The marriage law does not restore the provision that Cousins can marry, Cousins belong to the collateral blood relationship within three generations, China's "marriage registration Regulations" article 6, there are direct blood relatives or collateral blood relationship within three generations prohibited marriage, so Cousins can not marry.
1. Both parties have not reached the legal age of marriage.
2. The marriage is not voluntary.
(5) Suffering from a medical disease that should not be married.