Facial muscle spasm surgery appears facial paralysis, usually due to nerve damage behind the surgical trauma, or edema compression, the severity of different degrees, the recovery time also varies. The surgical procedure for facial muscle spasm mainly uses microvascular decompression to separate the patient’s nerve from adjacent blood vessels to achieve the effect of relieving facial muscle spasm. However, facial paralysis may occur during surgery due to facial nerve damage, edema, etc. Patients may show symptoms such as unilateral eyelid drooping, crooked mouth, leakage of speech, etc., which can be recovered through medication, surgical treatment, and so on. For facial paralysis caused by facial muscle spasm surgery, the recovery time is about one month if the symptoms are mild; if the symptoms are more serious, it can be treated by medication, such as vitamin B12 tablets, methylcobalamin tablets, etc. to nourish the nerves and improve nerve edema. If the symptoms are not relieved by oral medication, facial nerve decompression surgery can be performed, and the nerve function will be gradually restored in 3~6 months under normal circumstances. If symptoms of facial paralysis appear after facial muscle spasm surgery, you should seek medical treatment in time to avoid delaying the condition and affecting the body.