The treatment of polyneuritis is as follows: 1. If the respiratory muscles are affected and the patient has respiratory weakness, tracheotomy is required to assist breathing; 2. Treatment for pathogenesis, including the application of gammaglobulin, hormones, neurotrophic drugs, and nutritional support; 3. Prevention of related complications, such as lung infection, urinary tract infection, and decubitus ulcers; 4. Rehabilitation exercises, if combined with acupuncture and physiotherapy, will achieve Better results. Acute polyradiculoneuritis, also known as polyradiculoneuritis, mainly involves spinal nerve roots, peripheral nerves and cranial nerves, mostly due to viral infections or autoimmune diseases caused by infections. The disease is more common in young adults, but can also affect the elderly. The main clinical manifestation is tardive paralysis of the extremities, i.e., flaccid paralysis, and in some cases, because it affects the cranial nerves, patients may have difficulty swallowing or seeing double. In conclusion, most patients with this benign disease have a good prognosis through rational, scientific and active treatment. Once acute radiculitis occurs, even if it is cured, it is important to guard against recurrence, prevent colds, and strengthen the patient’s immune system.