Women with pain on the left side of the navel may be intestinal spasm, gastrointestinal dysfunction or gynecological related diseases, as follows: First, intestinal spasm, strong contraction of the smooth muscle of the intestinal wall will cause intestinal spasm, mostly manifested as paroxysmal, acute pain, the location of the pain is different, if the disease is located in the small intestine, more pain around the umbilicus, if in the colon, the location of the pain is mostly in the left lower abdomen, the causes of intestinal spasm Most of the causes of intestinal cramps are improper diet, overeating and cold diet, and eating too much stimulating food. Second, gastrointestinal dysfunction, often recurrent and prolonged, mainly manifested as abdominal pain, alternating episodes of diarrhea and constipation, the symptoms of abdominal pain can be relieved after exhaustion or stool. Third, women may have gynecological-related diseases, such as pelvic inflammatory disease, cervicitis, ovarian inflammatory disease, adnexitis and uterine fibroids, ovarian cysts, etc., usually accompanied by irregular menstruation and abnormal leucorrhea.