The bleeding after intercourse depends on the color of the bleeding, if it is bright red, most of the consideration is cervical bleeding, if it is the first time to have sex, it should be considered that the hymen rupture or vaginal wall damage caused, this situation needs to rush to the hospital to do gynecological examination, because only through gynecological examination, the doctor can see with the naked eye what the bleeding is in. If the bleeding is from the cervix, you should suspect that there is a lesion on the cervix, such as polyps or acute cervicitis, or cervical erosion, etc. These can cause bleeding after intercourse. If there is damage to the vaginal wall and hymen, a repair is needed at this time. If the bleeding is from the top of the cervix, it is caused by inflammation and can be treated with medication for cervicitis. If it is a cervical polyp, it needs to be removed surgically 2-3 days after the menstrual period.