Summary of case history,　A 9-year-old boy came to hospital because of "poor language communication with people for more than 7 years". The child was diagnosed with "Child autism", "Attention deficit hyperactivity disorder", and "Sensory integrative dysfunction" due to poor language communication ability, excessive small movements, and poor eye contact with others more than 7 years ago. During the 7 years, the auxiliary examination and scale evaluation were completed, but the effect of sensory integration training was not obvious. After diagnosis of upper respiratory tract infection in the same year, he developed a red rash with pruritus all over the body, which was diagnosed as "Psoriasis vulgaris". After oral and topical drug treatment, the rash and pruritus recurred. Symptoms at present: Poor language communication ability, difficulty in making up sentences, small movements, poor learning and memory ability, poor emotional self-control, occasional new skin rash on both upper limbs, like scratching, bad smell in the mouth, picky eating, sleeping, 1-2 times of defecation a day which are occasionally not forming.,TCM diagnosis,　Retardation in speech (spleen and kidney deficiency, intermin-gled phlegm and blood stasis); Psoriasis (damp and heat),Western medicine diagnosis,　Childhood autism; Psoriasis vulgaris.,Therapeutic methods,　Internal administration of Chinese medicine, with massage and sensory integration training. Traditional Chinese medicine is to tonify the spleen and kidney, clear phlegm and remove blood stasis, and clear dampness and heat. Modified Bushenyunpi Decotion by Professor Wang Junhong was prescribed for the first visit and the prescription changed based on syndrome differentiation during the following return visits.,Clinical outcomes,　After 3 courses, the child's language communication, eye contact improved, imitation of speech increased, interaction with people increased, lower limb rash significantly reduced, while still hyperactive, irritabled. The child returned to Professor Wang regularly, according to the condition, to add and reduce the herb in the prescription, and after the year of treatment, he achieved good effect.