There are several reasons why women have hidden pain in the lower left side of the stomach: first, gastrointestinal causes, including constipation, enteritis, intestinal cramps and other diseases. Constipation is mainly due to the left side is the location of the sigmoid colon, it is the location of stool storage, when constipation, it will be due to the intestinal tube too much feces and cause irritation caused by hidden pain. Second, the woman’s left lower pain, there may also be gynecological diseases, including left-sided adnexitis, pelvic inflammatory disease and other diseases. Third, the woman’s left lower abdominal pain, may also be the left side of the ureteral stones caused by the pain, we can be clearly diagnosed through the relevant examination.