Children with diarrhea with diluted water sound may be lactose intolerance, bacterial infections, viral infections, lactose intolerance can eat milk before oral lactase, eat lactose-free milk powder, etc.; viral infections to oral rehydration salts, etc.; bacterial infections can be cephalosporin antibiotics to fight infections, replenish water and correct electrolytes. 1. Lactose intolerance: children with lactase deficiency or lack of lactase, can not digest and absorb lactose, manifested in diarrhea after eating breast milk or milk powder with diluted water sounds, and bloating, abdominal pain and other symptoms, treatment is to eat milk before oral lactase, eat lactose-free milk powder, older children eat rice soup, rice flour. 2. Viral infections: children’s poor hygiene leads to viruses into the digestive tract caused by infections, there can be watery diarrhea, which can be manifested as diarrhea with diarrhea water sound. Treatment includes timely hydration, oral rehydration salts and so on. 3. Bacterial infections: gastrointestinal bacterial infections damage the gastrointestinal mucosa, can have watery diarrhea, can be manifested as diarrhea with diarrhea water sound. Treatment choose sensitive and small side effects on the child antibiotics, such as cephalosporins, pay attention to hydration and correct electrolytes. Children with diarrhea with watery diarrhea sounds should seek medical attention and active treatment.