Vomiting and fever in children may be a symptom of internal heat and fever due to food accumulation caused by overeating and indigestion. The fever caused by food accumulation usually tends to be low fever around 38℃, and may be accompanied by abdominal distension, abdominal pain, loss of appetite, dry tongue, thirst and drinking. You can take Si Mo Tang Oral Solution to help digestion and stop vomiting, together with Gastrointestinal Granules or Lactase Granules to help improve the digestive function. For fever, you can take pediatric Chai Gui fever-reducing granules or go to the hospital to inject Chai Hu injection to help reduce fever. In addition, you can drink more hawthorn water and jinyinhua water to help digestion and clear heat. Pay attention to eating less and more meals, try to be seven minutes full, do not overeat. Do not eat too much cream, fatty meat and fried food, etc. Drink more juice, vegetable soup and eat more fresh vegetables and fruits to help the recovery of the disease.