Painless induced abortion cannot be done in the third trimester of pregnancy, then if you want to terminate the pregnancy in the third trimester, the following methods will be used clinically to achieve the purpose of termination of pregnancy. First of all, we will do laboratory tests and ultrasound in the outpatient clinic, and if there are no contraindications, we will need to be admitted to the hospital. After hospitalization, Misoprostol and Prostaglandin are inserted into the posterior vaginal fornix, after which lower abdominal pain occurs about 24 hours later, and the pregnancy products are expelled as the uterine opening opens. After the expulsion of the products of pregnancy, if there is no obvious vaginal bleeding or if there is not much vaginal bleeding, after 24 hours, a painless evacuation of the uterus can be performed to terminate the pregnancy. Before termination of pregnancy, it is necessary to do coagulation time test, routine leukorrhea test, electrocardiogram, ultrasound and routine blood tests, all of which are qualified before termination of pregnancy can be considered.