Bleeding after using gynecological pills is due to the onset of menstruation, local drug stimulation, primary diseases and other reasons, which need to be analyzed specifically. 1. The onset of menstruation: if the medicine is used in the period of impending menstruation, and menstruation occurs after using the medicine, it will lead to the illusion of bleeding caused by the medicine. 2. Local drug stimulation: If the drug is used in an improper way or the drug is placed on the broken mucous membrane, it may cause stimulation to the local mucous membrane and lead to bleeding. 3. Primary diseases: if the patient has cervical inflammation, vaginitis, endometriosis and other conditions, may lead to abnormal vaginal bleeding, this bleeding and the use of drugs is not absolutely related. Gynecological inflammation pessary for vaginitis, cervicitis and other diseases, the use of local irritation may occur, for the skin or mucous membrane breakage is not to be used, if there is bleeding after the use of medication, it is recommended to go to the hospital in a timely manner to seek medical treatment under the guidance of the doctor to take a reasonable method of treatment, to promote the alleviation of discomfort, and to avoid the use of unauthorized medication.