Cranial cerebral neuritis caused by viral infection should first be actively treated with antiviral therapy, and in addition needs to be treated with neurotrophic drugs. Cranial neuritis caused by bacterial infection requires anti-inflammatory treatment, elimination of edema, and the administration of neurotrophic agents. 1. Cranial neuritis caused by viral infection should be treated with antiviral drugs such as acyclovir, ganciclovir, and valacyclovir. In addition, neurotrophic drugs such as sodium cytidine diphosphate choline are also needed. The earlier the comprehensive treatment is carried out, the better the prognosis of the patients will be. 2. Cranial neuritis caused by bacterial infection can be treated with anti-inflammatory drugs such as roxithromycin and azithromycin to eliminate inflammation and edema and relieve the condition. At the same time to give nutritional nerve drugs, clinically commonly used are vitamin B6, vitamin B1, adenosylcobalamin and so on. It is recommended that the patient consult a doctor in time to find out whether it is a viral infection or a bacterial infection, and after clarifying the cause of the disease, then carry out targeted treatment, and follow the doctor’s instructions to take drugs.