Four principles of basic treatment 1. Give the child enough fluids by mouth to prevent dehydration; it is recommended to buy oral rehydration salts (third-generation ones are better) from the pharmacy to prevent and replenish dehydration, which is very, very, very important! 2.Give probiotics (Mommy Love, Pepcid, etc.) and intestinal mucosal protectants (e.g., montelukast) as well as zinc supplements. 3.Tui na therapy: massage the child’s abdomen counterclockwise for 10 minutes, and nod and knead Shen Que and Tian Shu points for 5 minutes. 4. Continue to feed the child. Adjustment of diet Breastfed children continue to breastfeed, non-mother’s milk-fed children aged under 6 months continue to be fed formula milk, and children aged over 6 months continue to consume the daily food they have been accustomed to, such as congee, noodles, rotting rice, eggs, minced fish, meat not yet, and fresh fruit juices. Encourage the patient to eat, if the amount of food is small, increase the number of feeding meals. Avoid feeding children vegetables and fruits containing crude fiber and foods high in sugar. Viral enteritis often has secondary disaccharidase (mainly lactase) deficiency, for suspected cases can be temporarily given to change to low (de)lactose formula, time 1-2 weeks, diarrhea improves after switching to the original feeding mode. Nutritional treatment 1, sugar diarrhea: lactose intolerance is the most common. The treatment should adopt the diet of de-lactose, and can use de-lactose (or low) formula milk or soy-based protein formula milk. Allergic diarrhea: Milk allergy is the most common. Avoid allergic foods, or use oral desensitization feeding, without restricting foods that are already tolerated. Infants can usually tolerate deeply hydrolyzed casein formula, if still intolerant, amino acid-based formula or total elemental diet can be used. 3, elemental diet: applicable to chronic diarrhea, intestinal mucosal injury, malabsorption syndrome. Warm reminder: Chinese medicine has a good effect on the vast majority of children’s diarrhea. The need for timely hospitalization of the situation in a timely manner will not improve or any of the following symptoms of the child sent to the medical institution for treatment and treatment: 1, diarrhea, diarrhea, stool frequency, or diarrhea volume. 2. Inability to eat and drink normally. 3.Frequent vomiting, unable to give drugs orally. 4, Fever (temperature >38℃ in infants <3 months, >39℃ in toddlers 3-36 months). 5, Obvious thirst, found signs of dehydration, such as sunken eye sockets, few tears, dry mucous membranes, or decreased urine output, etc., and altered demeanor, such as irritability, apathy, and lethargy. 6, Blood in feces. 7, Age <6 months, preterm infant, history of chronic diseases or comorbidities.