3-year-old baby always vomit for the following reasons: First, the child’s spleen and stomach function is not good, often due to indigestion caused by the food eaten indigestion, thus causing vomiting, daily life should pay attention to feeding children easy to digest food-based, avoid oral greasy, indigestible food, fruit should also eat less, you can try to drink porridge, you can drink yam porridge to regulate the child’s spleen and stomach, with oral digestive drugs, such as wake up the spleen to raise children The pellets, lactobacillus tablets, etc. can be taken orally. At the same time, the child can be given TCM massage, which is based on the actual situation of the child before using the medicine, and can be combined with the use of Chinese medicine acupuncture point compress, which is conducive to the adjustment of the child’s digestive function. Second, vomiting due to neurological causes, due to the child has suffered from neurological factors, such as tension or special circumstances resulting in mental factors, neurological factors caused by the vomiting, this case need to take the child to the child psychological clinic, under the guidance of a psychiatrist for further detailed diagnosis and treatment.