Endometritis is mostly caused by lack of hygiene or bacterial infection. 1. Not paying attention to hygiene, women do not often wash their lower body, have unclean sex or have intercourse during menstruation, etc., all of which may affect the body and make the vagina harbor a large number of bacteria, causing endometritis. 2. Bacterial infection, when the patient’s body immunity is relatively poor, there may be a bacterial infection invading the uterus, patients do not timely treatment is very easy to cause the disease, the impact on the body is relatively large. Endometritis patients should go to the hospital as soon as possible after the appearance of corresponding symptoms, under the guidance of the doctor to choose the appropriate method of treatment, can effectively reduce the harm to the body.