Belly pain is what is medically referred to as abdominal pain, and is a common clinical condition. Probably everyone has experienced morning abdominal pain. There are many causes of morning abdominal pain, and they are described below. It can be caused when the abdomen is cold because the blanket is not covered at night, and it can be relieved by paying attention to keeping the abdomen warm when resting at night. Pay attention to the diet, eat less cold food, drink more hot water to keep the stool flowing; if you are a pregnant woman, consider pseudo contraction reaction, usually irregular pain in the second trimester, if the pain increases, you should go to the obstetrics and gynecology department of the hospital in time. There are also some acute abdominal diseases that can cause abdominal pain, such as acute appendicitis (metastatic right lower abdominal pain) and acute pancreatitis (persistent progressively increasing knife-like pain in the upper abdomen), but there are often triggers that cause these diseases to occur, such as drinking a lot of alcohol at night before going to bed, overeating, etc. In case of acute abdomen, go to the hospital immediately to avoid delaying the condition. In conclusion, morning abdominal pain should not be taken casually, but should be examined as well as treated under the guidance of a physician, followed by paying attention to dietary habits, eating less spicy and cold food, drinking more water, and maintaining a relaxed mood.