The causes of daily stomach pain mainly include the following aspects: first, it is considered to be caused by the body’s indigestion, gastrointestinal peristalsis dysfunction. Mostly due to the usual dietary inattention, overeating, eating more spicy, stimulating or cold food as well as drinking ice-cold beer, eating ice-cold watermelon, etc., resulting in the body of the gastrointestinal tract peristaltic dysfunction, which in turn causes stomach pain. The second aspect is to consider that it is caused by chronic appendicitis. After the appendix is removed by surgery, the pain in the stomach can be relieved. Thirdly, it is considered to be caused by urinary system diseases, including urinary stones, which can be clarified through the ultrasound of the urinary system. If the diameter of the stone is more than one centimeter, surgery is needed.