Stomach pain for a night, there are several reasons: first, acute gastroenteritis, is due to eat unclean things, or cold, infected after an infectious disease, can be treated by anti-infection, regulating the stomach and intestines, control diet. Secondly, abdominal pain may also be the symptoms of intestinal obstruction, intestinal obstruction, first of all, there is severe pain in the abdomen, and there is gas, defecation disappearance, we should go to the hospital through the film examination, through the abdominal examination can be a clear diagnosis. Thirdly, if the pain in the upper abdomen is on the left side, the possibility of pancreatitis cannot be excluded. If you have pain on the right side of the upper abdomen, you should consider hepatobiliary diseases, hepatitis, cholecystitis or gallstones. Fourth, if the right side of the lower abdomen pain, to consider appendicitis or have the right side of the ureteral stone caused by the pain, if the left side of the pain, consider may be the left side of the ureteral stone caused by the pain. So for the pain up to a night of disease, it is best to go to the hospital to do the appropriate examination, a clear diagnosis, symptomatic treatment, not careless, so as not to delay the condition.