To summarize the first aid and nursing experience of a child with influenza A combined with recur- rent episodes of A-S syndrome. For the child with malignant arrhythmia,critical and rapid progress of the disease, weadopted rapid diagnosis of A-S syndrome,track maintenance team resuscitation,establishment of multidisciplinary team to develop scientific diagnosis and treatment and nursing plan. After 15 d,the condition was stable and the patient was discharged. After follow-up within half a year,the child had a good prognosis.