The causes of occasional stomach pain include gastrointestinal digestive and absorption disorders, intestinal colic, intestinal dysfunction and appendicitis, etc., as follows: 1, gastrointestinal digestive and absorption disorders: mostly due to the usual diet, eating too much spicy and stimulating, greasy food or overeating, etc., resulting in gastrointestinal digestive and absorption disorders, causing occasional stomach pain. For this cause of stomach pain, you need to develop good eating habits, do not overeat, you can take probiotics, including bifidobacteria and other symptomatic treatment; 2, intestinal colic: mostly due to eating cold food, etc., resulting in the body colic attack and cause stomach pain. For this cause of stomach pain, the pain level is more intense and paroxysmal colic; 3, intestinal dysfunction and appendicitis, etc.: can also cause stomach pain. If there are long-term recurrent episodes of stomach pain, it is recommended to visit the general surgery department of the hospital and do barium meal of the upper gastrointestinal tract as well as ultrasound examination for clarification.