Sequelae of facial neuritis refers to the clinical manifestations of facial paralysis that remain after 6 months of the onset of the disease, as well as the clinical symptoms of secondary damage, including the following:1. The patient’s facial muscles are paralyzed to varying degrees, hypoplasia, muscle contracture, muscle atrophy, and it affects the normal life.2. Crocodile tearing sign, tearing of the affected side occurs when eating and chewing food, the temporal skin flushes, localized heat, sweating, etc., and even Tears will appear on the affected side when just thinking of food or seeing food.3. Linkage reaction, when blinking, the corner of the affected side of the mouth will follow the twitching, and the eyes will be closed when talking, which is called oro-ocular linkage, which is caused by the abnormal growth of the facial nerve.4. Facial myoclonic spasm, paroxysmal muscular twitching occurs on the affected side of the face, and the facial twitching will be more frequent when there is random movement, mental tension, or excessive fatigue, which can cause a huge impact on the patients’ lives. If combined with herpes zoster of the geniculate ganglion of the facial nerve, neuralgia is often left behind.