Children vomit may be improper diet, indigestion, encephalitis, etc. After vomiting, you should pay attention to observe the vomiting situation, adjust the diet, if necessary, need to consult a doctor in time to find the cause of vomiting, and give targeted treatment in a timely manner. 1. Observe the vomiting: You should observe the frequency and manner of the child’s vomiting, the nature and amount of the vomit, as well as the frequency of defecation, the nature of the stool and the presence of abdominal pain. If the child vomits a small amount of vomit and has no other symptoms of discomfort, it can be observed first. If the child vomits frequently, or the vomiting is accompanied by diarrhea, vomiting jet, mucus and blood stools, etc., you should consult a doctor. 2. Adjust the diet: If a child vomits frequently, fast for 3-4 hours. To clarify the cause of vomiting and symptoms of relief before eating, and the diet should be light, easy to digest, avoid eating spicy, cold and stimulating food, can eat a moderate amount of fresh vegetables and fruits. Parents should bring their children to the hospital in time if the vomiting does not subside or if there are other uncomfortable symptoms, so that the cause of vomiting can be clarified and the disease can be treated actively to avoid delaying the disease.