Women with pain in the left side of the navel should beware of stomach diseases, intestinal diseases, pancreatic diseases or gynecological diseases. 1. Stomach diseases: belly button left pain at the same time combined with acid reflux, heartburn, or pain in the left upper abdomen after eating significantly alleviate the pain by chronic gastritis, peptic ulcer disease and other upper gastrointestinal diseases. 2. Intestinal diseases: If the patient’s pain in the left part of the navel is combined with diarrhea, constipation and other symptoms, it is considered to be caused by intestinal dysfunction-related diseases. If there is blood in the stool, emaciation and other symptoms at the same time, you should go to the hospital in time for colonoscopy to further exclude organic diseases of the colon. 3. Pancreatic diseases: If the left side of the navel is painful and distended, which is aggravated after eating greasy food, and combined with symptoms of jaundice such as yellow urine and yellowing of the skin and sclera, it is mostly considered to be related to chronic pancreatitis and other diseases. 4. Gynecological diseases: Hidden pain in the left part of the navel of women may be related to reproductive system diseases. For example, the pain associated with menstruation, but also may be pelvic inflammatory disease, endometriosis caused by pain. These are only some of the common causes. Urinary stones can also cause pain on the left side of the umbilicus. If symptoms persist or recur, seek medical attention. After a clear diagnosis, follow the doctor’s instructions to standardize the treatment.