Pediatric vomiting without fever and diarrhea can be seen in physiological conditions, this time without special treatment; also can be seen in acute gastritis, cyclic vomiting syndrome and other conditions, this time can be used for general treatment, drug therapy and other treatments. 1. Physiological situation: in small infants, the stomach is horizontal, the stomach muscles are not well developed, the cardia is loose, so when breastfeeding too much or swallowing air, a small amount of milk is often overflowed from the corner of the mouth after breastfeeding, which is a relatively common situation and does not affect health. This condition is relatively common and does not affect your health. You need to pay attention to the correct and reasonable feeding. 2. Acute gastritis: the above phenomenon can occur, and in severe cases, water and electrolyte disorders can occur. It is necessary to pay attention to light and easy-to-digest diets, small meals, avoid overeating, eat less cold, spicy and irritating foods, and use aluminum sulfate, omeprazole and other drugs to treat the condition when necessary. 3. Periodic vomiting syndrome: also known as reoccurring vomiting, the above phenomenon can occur, more vomiting repeatedly, for stereotypical episodes, episodes can be accompanied by autonomic symptoms, such as dizziness. For treatment, it is advisable to fast for 4 to 8 hours at the beginning, and then give cool sugar water in small quantities for several times. After the control of vomiting, normal diet should be resumed gradually. These children are often accompanied by acidosis, ketonemia, ketonuria and blood glucose lowering. Glucose and alkaline fluids should be given. Correct hypoglycemia and eliminate ketonemia. Use tolansetron and ondansetron to stop vomiting; cimetidine and omeprazole to inhibit gastric acid. The above drugs need to be used under the guidance of a physician, avoid self-medication. There are many other causes of vomiting in babies, and it is recommended to consult a specialist for evaluation and treatment.