Tianshu is an abdominal point of the foot Yangming Stomach meridian, located in the horizontal flat umbilicus, two inches from the front median line. Acupuncture or moxibustion of the Tianshu point is effective in treating abdominal pain, abdominal distension, constipation, diarrhea, dysentery, menstrual disorders, and dysmenorrhea. Commonly used in the treatment of Western medicine diseases such as acute and chronic gastritis, acute and chronic enteritis, intestinal paralysis, bacillary dysentery, dyspepsia, biliary ascariasis, menstrual disorders, endometriosis, urinary stones, nephritis, edema, hypertension, and pediatric convulsions. Modern research has proven that acupuncture of the tianshu point has a regulatory effect on intestinal function and can normalize intestinal function. With the main acupuncture point Tianshu, together with the kidney point and Sanjiao point, the stone removal rate of urinary tract stones reaches 50%. Note that the depth of direct acupuncture is 1-1.5 inches, and should not be deep, otherwise it can pierce the small intestine.