Older people need to be alert to the left lower abdomen hidden pain in a number of diseases, generally considered intestinal diseases, urinary stones or inflammation, tumors and other causes, women may also be gynecological diseases. Need by the physician according to the patient’s different causes to take appropriate treatment measures and methods. 1. Intestinal diseases: such as chronic enteritis, ulcerative colitis and other diseases can appear in the left lower abdomen pain, and can be accompanied by diarrhea, abdominal distension, loss of appetite and other symptoms. 2. Urinary stones or inflammation: for example, ureteral stones, bladder stones, urinary tract infections can occur in the left lower abdomen pain, and can be accompanied by frequent urination, urinary urgency, urinary pain, blood in the urine and other symptoms. 3. Tumor: for example, when patients suffer from colon cancer, rectal cancer, pancreatic cancer, endometrial cancer, cervical cancer, etc., hidden pain in the left lower abdomen can occur, accompanied by anemia, emaciation, loss of appetite, and other related clinical symptoms and manifestations. 4. Gynecological diseases: if you suffer from adnexitis, pelvic inflammatory disease, etc., the pain in the left lower abdomen may appear, and may be accompanied by the clinical symptoms and manifestations of the corresponding diseases. In addition to the above diseases, there are many other reasons that can lead to the hidden pain in the lower left abdomen of the elderly, which need to be examined in detail to make a clear diagnosis.