Chronic diarrhea should first be ruled out by colonoscopy or by laboratory tests to rule out persistent intestinal changes. If there are no persistent changes and chronic diarrhea is caused by simple gastrointestinal dysfunction, such patients should first avoid spicy, fried or irritating foods to reduce intestinal irritability. Clinical acupuncture is used to treat chronic diarrhea with good results. In addition to hand Yangming large intestine meridian points, specific points of large intestine can also be selected, such as the original point of large intestine, Hegu, the point of large intestine, the point of large intestine, the point of large intestine, the point of large intestine, the point of large intestine and the point of large intestine, Tianshu. The clinical treatment effect is good without any side effects.