There are many possible reasons why the bleeding from the lower body has been unclean. The more common ones are vaginal trauma, pregnancy-related diseases, and other gynecological diseases. You should go to a gynecological examination in time to clarify the site and cause of bleeding, and then carry out targeted treatment. Common causes and treatment I. Vaginal trauma: the first time you have sex may cause vaginal mucosa tearing and damage, which may manifest as more than bleeding, you should go to hospital in time for repair, hemostasis and anti-inflammatory treatment; II. Pregnancy-related diseases: such as pre-eclampsia, spontaneous abortion, ectopic pregnancy, trophoblastic disease, etc. You can check blood and urine HCG test to clarify whether there are pregnancy-related diseases, and you can further identify them by Ultrasonography can be used to identify and treat the disease according to the situation; 3. Other gynecological diseases: 1. Endometrial polyp: there may be excessive menstruation and prolonged menstruation or abnormal bleeding from the uterus before menopause, accompanied by discharge of foul-smelling bloody discharge, vaginal ultrasound and hysteroscopy should be done promptly, hysteroscopic electrodesiccation can be chosen for treatment, if it cannot be eradicated or recur frequently, total hysterectomy can be considered; 2. Fibroids 2, uterine fibroids and adenomyosis: may lead to an enlarged uterus, heavy menstrual flow, delayed menstruation or even irregular vaginal bleeding, and in severe cases, general weakness, pallor, shortness of breath, panic attacks and other symptoms. Physical therapy, such as laser, freezing, microwave infrared, etc., as prescribed by the doctor, and oral Chinese medicine treatment are also available; 4. Cervical cancer: there are often symptoms of sudden abnormal vaginal bleeding with foul odor, cervical cytology, HPV and serum tumor marker examination should be done to confirm the diagnosis, and chemotherapy drugs and surgery such as cervical conization and total hysterectomy can be chosen for treatment. Note unclean bleeding from the lower body may be related to a variety of diseases and symptoms vary. It is recommended to go to the hospital for examination in time and be guided by the doctor for medication or surgical treatment. Daily attention to skin hygiene, sexual hygiene and menstrual hygiene, if the diagnosis needs to be treated, during the period should not be intercourse, tub bath, so as not to cause the disease after a long time.