Idiopathic facial nerve paralysis, also known as idiopathic facial nerve paralysis, Bell’s palsy, facial neuritis, refers to facial paralysis caused by lesions in the motor fibers of the facial nerve, the general symptom is a crooked mouth and eyes, and it is a common and frequent disease that is not limited by age. The patient’s face is often unable to accomplish even the most basic movements such as raising the eyebrows, closing the eyes, and puffing up.