Summary of case history ,The patient, Mr. Li, 5 years old, mainly suffered from "social communication, communication barriers and aversion to eating for more than 2 years". In 2018, his parents found that his language expression ability was poor, he did not communicate with others, and it was difficult to maintain a back-and-forth dialogue. He was unresponsive and averse to eating. He was hospitalized in a specialized hospital in local area. After specialized tests and examinations, he considered "childhood autism" and was hospitalized for nutritional nerve, protein supplement, rehabilitation training and symptomatic support, No improvement. For further diagnosis and treatment, he visited our office on September 27th, 2020. Symptoms and signs: the child was clear consciousness and dull complexion, had poor expression and communication abilities, did not make friends, repeated words, sometimes repeated other people's questions and answers, often held the same item in his hand, liked to play with the item, gazed at a certain place for a long time, sometimes had a long-term self-rotation. He avoided the eyes of others, heard it but did not respond, responded slowly, was inattentive, had poor understanding, and had no hallucinations, delusions and other symptoms. His large-scale motor and fine motor abilities lagged behind those of children of the same age. He was usually irritable, timid, sensitive, emaciated, averse to eating, partial to eating, small amount, did not sleep well, urinating normally, and had a dry stool for about 4-5 days. His tongue was light red with thin and white moss, and the pulse felt smooth.,TCM diagnosis ,Late speech (liver depression and spleen deficiency).,Western medicine diagnosis ,Childhood autism.,Therapeutic methods ,In traditional Chinese medicine, oral treatment with self-designed Chinese prescription is given by the method of soothing the liver and regulating Qi, strengthening the spleen and aiding transportation.,Clinical outcomes ,The symptoms of loneliness, language expression ability, cognition and reaction ability were significantly improved, and the diet, mood and sleep state were good.