Postherpetic neuralgia is known as “snaking pain” in Chinese medicine. It is not true that Liushen Pills can cure snake pain (postherpetic neuralgia). Liushen Pills is a proprietary Chinese medicine, composed of musk and toadstool, which has the effect of subduing swelling and detoxification, relieving pain and fever, and calming fright and tranquillizing the mind (calming fright and tranquilizing the mind). Liu Shen Wan is used for laryngeal paralysis (redness, swelling and pain in the pharynx, or dryness, foreign body sensation, or itchy discomfort in the pharynx and difficulty in swallowing), sore throat, double-single mastoid moth (related to tonsillitis in western medicine), carbuncle sores, pediatric convulsions (a pediatric disease that is characterized by delirium, convulsions, and convulsions), redness, swelling, and heat pain. Adverse reactions to Liu Shen Wan include reactions in the digestive system, skin and adnexa, psychoneurological system, respiratory system, and cardiovascular system. Cases of laryngeal edema have been reported in the literature. Contraindications are contraindicated in neonates; contraindicated in pregnant women; and contraindicated in those who are allergic to the product. Precautions are unclear. This product should be used under medical supervision. This product should not be overdosed and used for a long time. External use should not be into the eyes. Elderly people, vegetative spleen and stomach weak people, heart disease patients should be cautious. This product may cause allergic reactions, allergic individuals should be cautious. From the efficacy and action of Liu Shen Wan, this product does not have the effect of treating snake dan pain (postherpetic neuralgia), if there is a need for treatment, comprehensive treatment should be carried out under the guidance of a physician. If there is any discomfort, it is necessary to improve the relevant examination to clarify the diagnosis after identification by a Chinese doctor, and it is necessary to standardize the treatment to avoid delaying the condition.