1 Monogyny and polygyny which people scrupulously abide by nowadays have a history of only several thousand years.

2 The modem family takes the monogyny as the main structure. It is a rational choice of the human evolution, is also symbol of the civilized society.

3 The bigamy is an illegal activity in the marital, incompatible with the monogyny in the modem society.

4 Chapter 17 of the Penal Code stipulates the penalty of hindrance to marriage and family, including crimes related to the violation of monogyny, the chaste duty, and the family supervisory authority.

5 The crime of bigamy in our criminal law had taken a certain positive role in maintaining the monogyny.