Autism belongs to the category of “five delays” in traditional Chinese medicine, which refers to the delay in standing, walking, speaking, hair and teeth, and traditional Chinese medicine has a certain effect on autism. The five delays in Chinese medicine need to be diagnosed according to the patient’s symptoms, and then be adjusted. 1. Liver and kidney deficiency: weak tendons and bones, developmental delay, sitting up, standing, walking, teeth, etc. significantly later than normal children of the same age, head and neck atrophy and softness, etc., can be used to add flavored six flavors of dihuangwan plus subtractions 2. Deficiency of heart and spleen: sluggish speech, mental dullness, mental retardation, delayed hair growth, thinning and yellowing of hair, limb weakness, muscle flaccidity, salivation at the corners of the mouth (drooling), weakness in chewing and sucking or tongue manipulation, poor appetite, etc., and can be used to adjust the Yuan San with additional subtractions. Parents are advised to bring their children to the doctor in time to avoid delay.