In early spring and February, the weather was still a bit cold. Old Li woke up and found that the corners of his mouth were a bit drooling and his left eye could not be closed, so he quickly went to the hospital and the doctor told him that he had Bell’s facial palsy. In fact, this disease is still a relatively common disease in otology clinics, and the prognosis is mostly good. From the analysis of the causes and types of facial palsy, common peripheral facial palsy (different from central facial palsy caused by stroke) includes Bell’s facial palsy, Hunt’s syndrome with auricular herpes, facial palsy caused by traumatic temporal bone fracture, facial palsy caused by otitis media, facial palsy caused by complications of otitis media surgery, facial neuroma or middle ear tumor, etc. Facial palsy caused by facial neuroma or middle ear tumor, etc. Here we will talk about Bell’s palsy first. The high incidence of Bell’s facial palsy is 15DD45 years old, and the average age of onset is around 40 years old. It is caused by fatigue, cold weather, immune deficiency, and viral infection. Generally, about 80DD85% of patients can recover completely or mostly function, and about 15% of patients have poorer response and may need surgery. Doctors can initially determine the prognosis and take appropriate treatment measures through facial nerve function and other examinations, for example, within 3 weeks of onset, facial nerve electrogram degeneration of 90% or less can continue conservative treatment, otherwise, if the degeneration is greater than 95% may have to consider surgery. Generally, the operation time is controlled within 2-3 months, otherwise, the operation effect may not be satisfactory, so we should consult the doctor as early as possible. There is also a simple way to judge the prognosis. If patients start to recover function in the first week after the onset of the disease, almost 100% of them can recover, while about 80% or more of those who start to recover in the second week have a good prognosis, and 60% of those who start to recover in the third week can return to normal. The purpose of the surgery is to “free” the nerve fibers trapped in the facial nerve canal and release the high internal pressure of the nerve. Some people may think that facial nerve surgery is scary, but in fact it is a standard microsurgical procedure in the ear. The scar is behind the ear, the eye is the same size as before, and there are usually no serious complications.