If facial palsy is not treated promptly and effectively, it will leave behind sequelae such as crooked corners of the mouth and incomplete eyelid closure. Generally speaking, if a child with facial palsy starts to recover within 1-2 weeks after the onset of the disease, he or she will eventually recover completely, and the recovery time is usually less than one month. In general, the recovery of facial palsy in children begins with forehead wrinkles, followed by eyelid closure, and the recovery process is top-down. The sequelae of facial palsy are generally defined as a condition that has lasted for more than 3 months, has been delayed due to inappropriate treatment methods, or remains symptomatic despite multiple methods of treatment.