Not many people have pelvic inflammatory disease, so the main causes of pelvic inflammatory disease are related to the following factors: first, infection after normal delivery, cesarean section or miscarriage, because the body’s resistance is poor at this time, if you do not strengthen care may lead to infection and cause pelvic inflammatory disease; second, in the clinic, there is an IUD, IUD removal, diagnostic scraping or tubal imaging Secondly, in clinical practice, there is IUD, IUD removal, diagnostic scraping or tubal imaging. Then it may also lead to pelvic inflammatory disease, it is recommended to take appropriate oral antibiotics or treat with antibiotics after the procedure to prevent infection to avoid pelvic inflammatory disease; third, not pay attention to hygiene during menstruation, which will make pathogenic bacteria invade and cause inflammation in the pelvic cavity; fourth, there is inflammation in the neighboring airways so that the direct spread, such as appendicitis, peritonitis may spread and lead to The fourth, the neighboring airways have inflammation so directly spread, such as appendicitis, peritonitis may spread and lead to pelvic inflammatory disease, so when women feel pain in the lower abdomen and increased discharge, go to the hospital as soon as possible and actively treat.