After more than half a century of development,the intrauterine contraception (IUD) has become a relatively mature method of contraception and treatment of gynecological diseases.This paper reviewed the development of IUDs,different types of IUDs,and some problems due to them,such as bleeding,infection,malposition,dis-location,expulsion,etc.And the causes of clinical side effects,complications,and corresponding treatments of IUDs were overviewed as well.