Patients with idiopathic facial nerve palsy have flaccid lower facial muscles, disappearance of facial lines, wider than normal fissure of the cervical latissimus muscle, and complete loss of random and synergistic movements of the facial and cervical latissimus muscles. So how should we prevent the disease? 1.Eat more fresh vegetables, coarse grains, soybean products, dates, lean meat, etc. 2.Patients with facial palsy usually need to reduce light source stimulation, such as computer, television, ultraviolet light, etc. 3, need to do more functional exercise, such as: raising eyebrows, puffing, eyes tightly closed, open wide mouth, etc. 4.You need to insist on acupressure points every day. 5, before going to bed with hot water soak feet, if possible, do some foot massage. 6, appropriate exercise, strengthen physical exercise, often listen to light music, calm and happy mood, ensure sufficient sleep. 7.While taking medication for facial paralysis, avoid spicy and stimulating food. Such as white wine, garlic, seafood, strong tea, spicy hotpot, etc. Do not use cold water to wash your face. In cold weather, you should pay attention to keeping your head warm. 9.In the initial stage, use facial paralysis corrective dispersion composed of musk and tianma, etc., and recover quickly.