Pediatric diarrhea is a group of diseases caused by multiple pathogens and factors, mainly diarrhea. It is mainly characterized by increased stool frequency and change in character, and may be accompanied by fever, vomiting, abdominal pain and other symptoms, as well as varying degrees of water, electrolyte and acid-base balance disorders. The pathogen can be caused by viruses (mainly human rotavirus and other enteroviruses), bacteria (pathogenic Escherichia coli, toxigenic Escherichia coli, hemorrhagic Escherichia coli, invasive Escherichia coli, and Salmonella typhimurium, Campylobacter jejuni, Yersinia pestis, Aureobasidium, and so on), parasites, fungi, and so on. Extra-intestinal infections, intestinal flora disorders due to antibiotic abuse, allergies, improper feeding and climatic factors can also cause the disease. It is a common disease in infants and children under 2 years of age: 1, chiropractic: chiropractic 3 times, when pressed and pinched to the waist at the waist point, a little force to lift upward 3 times, and then with the pinch, push the waist Yu, push on the upper seven. 2, pinch lumbar Yu: a thumb on the Department of the tube cleft at the lumbar Yu point, to the edge of the fingertip nail pressure pinch, a pinch a loose, even pinch 21 times. 3, push waist Yu: with one hand thumb finger, push waist Yu point for 3 minutes. 4, push on the seven sections: one hand open, palm root in the tail push rub, every push rub several times to move up some, push rub to the second lumbar vertebrae. Push and rub to the second lumbar vertebrae, push and rub the direction from the bottom to the top.