“Herpes zoster is called “snake sores” in Chinese medicine. Pientzehuang is a heat-clearing medicine, whose main effects are clearing heat and removing toxins (removing heat and toxicity from the body), cooling blood and removing blood stasis, and eliminating swelling and relieving pain (eliminating swelling and pain). It has auxiliary therapeutic effect on the nerve pain of snake sores, but cannot cure it. Herpes zoster for Western medicine, common skin bead-like erythema, blisters, arranged in bands, along one side of the peripheral nerve distribution area, local tingling and other symptoms, Chinese medicine known as “snake string sores”. The cause of the disease is mostly due to internal injury of emotions and feelings, uncontrolled diet, old age and physical weakness. Pientzehuang is composed of cowhuang, musk and other medicines, which has the efficacy of clearing heat and removing toxins, cooling blood and removing blood stasis, eliminating swelling and relieving pain, and mainly treats carbuncle and gangrene (a kind of venomous sores, which occurs in the surface of the body, limbs and viscera of acute suppurative diseases) furuncle caused by heat and venomous stasis of blood, anonymous swollen toxin, all kinds of inflammation, and various kinds of pain caused by external toxicity, and so on. Therefore, it has a relieving effect on herpes zoster neuralgia. The adverse effects of this drug are not clear, pregnant women should not take, athletes should be cautious. Specific drug use please consult a professional physician, do not self-medication. It is recommended that people with serious conditions seek medical attention in a timely manner and follow the doctor’s instructions for medication.