Peripheral neuropathy is a collective term for a large group of diseases, the severity of which is related to the cause and the degree of the specific condition. The details are as follows: 1. The common acute Guillain-Barré syndrome, in which the patient becomes paralyzed within a few days, and even severe cases can involve the respiratory muscles and develop respiratory failure. This peripheral neuropathy is more serious and can be life-threatening in severe cases; 2. Most peripheral neuropathies, such as diabetic peripheral neuropathy, can also present with limb weakness, numbness, and can even present with limb movement disorders; 3. Some metabolic elbow duct or carpal tunnel lesions can present with peripheral neuropathy, and most of these affect limb movement and sensory disorders, which are not life-threatening in most cases. Therefore, in routine cases, peripheral neuropathy is often not serious in the early stages, and active early detection and treatment can help the disease recover, and most cases of peripheral neuropathy can be improved by treatment. Some cases are more difficult to treat, such as hereditary peripheral neuropathy, and can be chronically progressive and aggravated, which requires careful and standardized treatment, and can hopefully lead to some degree of remission.