Postherpetic neuralgia can be treated with oral Chinese medicines such as gentian diarrhea liver pill and ginseng ling bai ju san. Gentian Diarrhea Pill has the effect of clearing the liver and gallbladder and inducing dampness and heat. It is used for dizziness and red eyes (dizziness and red eyes) caused by damp-heat of liver and gallbladder (damp-heat evils accumulated in the liver and gallbladder), tinnitus and deafness, dystocia and bitterness of mouth (pain in the area of dystocia and ribs and bitterness of the mouth), redness of urine, and wet-heat leucorrhea. It should not be taken for a long time by those with weak spleen and stomach, and should be used with caution by pregnant women and those with stomach cold. Ginseng, Poria, Atractylodes Macrocephalae (Stir-fried), Chinese Yam, White Lentil (Stir-fried), Lotus Seed, Semen Coix Seed (Stir-fried), etc. It has the function of tonifying the spleen and stomach, benefiting the lungs and qi. It has the effect of tonifying the spleen and stomach and benefiting the lung and qi. It is used in treating loose stools caused by weakness of the spleen and stomach, shortness of breath and cough, tiredness and fatigue. If medication is needed, it should be diagnosed by a doctor and follow the doctor’s instructions for standardized treatment.