Hidden pain in the lower abdomen and loose stools may be caused by intestinal infection, intestinal tumor, gastrointestinal dysfunction and so on. It is necessary to improve the relevant examination to clarify the cause and treat the symptoms. 1. Intestinal infection: after the intestinal infection, there will be loose stools and hidden pain in the lower abdomen, such as bacterial infection, need to apply antibiotics for treatment, such as metronidazole, levofloxacin and so on. 2. Intestinal tumors: including colon cancer, rectal cancer, etc., which will cause diarrhea and pain in the lower abdomen, and need surgery to remove the tumor, or combined with chemotherapy, radiotherapy and other treatments. 3. Gastrointestinal dysfunction: if the abdomen is cold or eating cold food, it will lead to gastrointestinal dysfunction, and there will be hidden pain in the abdomen and loose stools, so you can apply hot compresses on the abdomen and need to have a light diet, and the symptoms can be relieved gradually. Lower abdominal pain and loose stools, there are other reasons, it is recommended that patients go to the hospital, you can improve the stool routine, colonoscopy and other tests, usually can be a clear diagnosis, and then you can formulate a treatment plan.