Clinical years, from which it is summarized that many patients have a vague concept of facial muscle spasm and facial paralysis, that they are the same condition, in fact, although these two diseases are onset in the face, but they belong to a completely different disease, the treatment is also different. Often referred to as facial paralysis is facial muscle paralysis, a lesion caused by damage to the facial nerve due to a variety of reasons, mainly manifested as a stiff facial expression, such as the often-seen mouth crooked, can not raise his eyebrows when making expressions, no forehead lines, eyelid closure is incomplete, and leakage of drinking water and other symptoms. Facial muscle spasm, on the other hand, is a paroxysmal involuntary twitching and throbbing of the facial muscle muscles, usually starting with involuntary throbbing of the eyelids, progressing to the corners of the mouth, and in severe cases, extending to the entire half of the face. If symptoms persist for three months, a diagnosis of facial muscle spasm is made. In short, facial palsy is characterized by dysfunction of facial muscle movement, while facial myoclonus is characterized by paroxysmal muscle twitching. In addition, nowadays there are many ways to treat facial muscle spasm, it is recommended that patients go to the hospital for targeted treatment in a timely manner, and do not blindly believe in prescriptions.