The female abdominal triangle is generally known as the lower abdomen. Lower abdominal pain is very strong, considering that it may be caused by gynecological diseases, intestinal diseases, urinary system diseases and so on. 1. Gynecological diseases: women are prone to pelvic inflammatory disease, endometritis, acute cervicitis and other gynecological inflammatory diseases, there may be organic lesions of the uterus, such as uterine fibroids, ovarian cysts, endometriosis and so on. These diseases will produce a certain stimulation of the pelvic tissue, which may cause pain in the lower abdomen. 2. Intestinal diseases: women’s lower abdominal pain may also be related to intestinal diseases, such as colitis, colon polyps and other intestinal diseases, local tissue damage, may cause symptoms of lower abdominal pain. 3. Urological diseases: If female patients have ureteral stones, cystitis, bladder stones and other urinary system diseases, then it may also cause lower abdominal pain symptoms. Clinical symptoms of lower abdominal pain, it is recommended to go to the hospital in a timely manner, early formal treatment.