Liushen Pills applied externally are useful in the treatment of herpes zoster neuralgia. Liushen Pill is composed of 6 precious herbs, including artificial musk, toadstool, oxalis, andrographis, pearl and ice tablet. It has the efficacy of clearing heat and removing toxins (removing heat, poison and evil qi from the body), subduing swelling and relieving pain (eliminating swelling and pain). It can be used to treat all kinds of nameless swelling and pain, sores, carbuncles and poisons. Liushen Pills can be taken internally or used externally, and can be used externally on red, swollen and painful skin to reduce swelling and relieve pain. The toadstools in Liushen Pills have anti-inflammatory and analgesic, antibacterial, local anesthetic pharmacological effects; musk has anti-inflammatory, analgesic, antibacterial pharmacological effects; oxalis has antiviral, anti-inflammatory pharmacological effects; andrographis has antibacterial pharmacological effects. Ice tablet has the pharmacological effects of anti-inflammatory, analgesic, antibacterial and promoting transdermal absorption of drugs. The combination of the above drugs has anti-inflammatory and analgesic, antibacterial, antiviral, local anesthesia and analgesic effects, and is useful for relieving herpes zoster neuralgia. It should not be applied externally on broken skin. And newborns are prohibited; pregnant women are prohibited; allergic to the product is prohibited. This product has nausea, vomiting, abdominal pain, diarrhea, abdominal discomfort, skin rash and other adverse reactions, need to strictly comply with medical advice and instructions for taking.