Snakebite is also often referred to as herpes zoster, and its common treatment methods are as follows. The first antiviral drugs, which should be used as early as possible, commonly used drugs are acyclovir oral, 200mg each time, 5 times a day, 5-10 days for a course of treatment, or 400mg, 3 times a day, 5 days for a course of treatment. Vaciclovir 1000mg, 3 times a day for 7 days. Famciclovir 500mg 3 times a day for 7 days. Patients with decompensated renal function need to reduce the dosage. The second point, drug treatment is painkillers, commonly used drugs are analgesics, 1 tablet of carbamazepine daily, 0.1g per tablet, the first oral half a tablet, and then gradually increase the amount to, 3 times a day, 1 tablet each time, the pain relief effect is very obvious. However, it is necessary to pay attention to the side effects of the drug, such as making a decrease in white blood cells and platelets, rash, and changes in liver and kidney function. The third point of drug treatment is nerve-nourishing drugs, commonly used drugs are vitamin B1, 10mg 3 times a day orally.