A Study on the Interventional Efficacy of Yi-yuan in Addressing Social Motivation Deficits in 3-6-Year-Old Autistic Children Based on the Theory of "Deficiency of Lung and Spleen Qi, and Damage to the Primordial Spirit"

INTERVENTION: Control Group:Routine Intervention Training;Experimental Group:Yi Yuan Ointment or Yi Yuan Powder; CONDITION: Autism Spectrum Disorder PRIMARY OUTCOME: Social Reaction Scale;Children's Autism Spectrum Disorder Assessment Scale; SECONDARY OUTCOME: Eye Movement Assessment; INCLUSION CRITERIA: 1.Diagnosed with Autism Spectrum Disorder (ASD) by two pediatric developmental and behavioral physicians from the research team, meeting the diagnostic criteria for ASD in the DSM‐5, and with a score of =30 on the CARS; 2.A score >70 on the *Wechsler Preschool and Primary Scale of Intelligence (WPPSI)*; 3.Identified as having the "Lung‐Spleen Qi Deficiency" syndrome type by two pediatric Traditional Chinese Medicine (TCM) physicians through pattern differentiation; 4.Aged 3 to 6 years, right‐handed, gender (unrestricted), with normal uncorrected or corrected visual acuity in both eyes; 5.Willing to undergo long‐term intervention at the pediatric rehabilitation center of this institution, and willing to accept and adhere to at least 3 months of Chinese herbal medicine treatment; 6.Relevant assessments will be conducted both before and after the 3‐month intervention period..