Peripheral neuritis precautions are related to the etiology, as follows: 1. Guillain-Barré syndrome: pay attention to the prevention of colds, pay attention to dietary hygiene and warmth; 2. metabolic diseases: diabetic patients pay attention to blood sugar control, symptomatic medication for specific diseases and keep the condition stable; 3. compressive peripheral nerve damage: avoid poor posture leading to aggravation of compression symptoms, such as cervical spondylosis, lumbar spondylosis and other patients need to avoid prolonged head bowing, bending over to bear weight, etc.; 4. genetic factors or those with complex etiology: adhere to treatment and avoid broad-spectrum exposure to substances that cause nerve damage, such as heavy metals, drugs that are damaging to nerves, etc.