Rat nerve growth factor every other day is not a good treatment, it is recommended that rat nerve growth factor is best to be injected once a day for 15 days, and it would be better if it can be injected for 20 days. Rat Nerve Growth Factor has a certain repair effect on central nerve injury, peripheral nerve injury and other causes of injury, especially for optic nerve injury, as well as the central nerve due to radiation therapy-induced injury, its effect is more obvious. A large number of literature studies have confirmed that the symptoms of patients after the use of rat nerve growth factor have obvious improvement, rat nerve growth factor on cerebral palsy children also have obvious improvement effect.