The causes of lower left abdominal pain are related to physiological factors and pathological factors, such as adnexitis, pelvic inflammatory disease and other gynecological diseases, which need to be combined with other symptoms to make a comprehensive judgment, and should be consulted in time. 1. Physiological factors: If you are in the period of ovulation, the left lower abdominal pressure pain and accompanied by a small amount of vaginal bleeding. It may be related to ovulation pain, which usually does not need special treatment and will usually be relieved after 2-3 days. 2. Pathologic factors. (1) If a woman has pain in the left lower abdomen when pressed and accompanied by symptoms such as increased leukorrhea and leukorrhea odor, it may be due to adnexitis, pelvic inflammatory disease, or pelvic inflammatory disease. It may be caused by adnexitis, pelvic inflammatory disease and other gynecological diseases, this situation should be timely consultation, improve gynecological, ultrasound and other examinations to clarify the cause of the disease. (2) If a woman’s left lower abdomen is painful with diarrhea, constipation, etc., it is mostly considered to be caused by intestinal diseases, such as ulcerative enteritis, sigmoid colon cancer, irritable bowel syndrome, etc. It is recommended to consult a doctor in time. It is recommended to consult the doctor in time, improve the stool routine, fecal occult blood, colonoscopy, etc., to clarify the diagnosis. There are many factors that can cause pressure pain in the lower left abdomen of women, it is recommended to consult a doctor in a timely manner to identify the cause of the disease and follow the doctor’s instructions for treatment.