“The principle of external treatment is the principle of internal treatment, and the medicine of external treatment is also the medicine of internal treatment, the difference is the law.” The external treatment of Chinese medicine follows the principle of diagnosis and treatment in general, which is the same as the internal treatment in terms of etiology and mechanism of disease, and identification of medication, only the method of administration and absorption are different, which has the advantages of direct access to the place of disease and high safety. Acne is treated with external Chinese medicine, which has excellent results. Acne is treated with the external treatment method of traditional Chinese medicine. 1. Fire Needle Therapy: With the help of fire, the door of disease and evil will be opened strongly, so that the tangible evil will be released with the needle. Acne can be treated with fire needles to remove nodular lipid plugs and pus in the hair follicles, eliminate diseased tissues, maintain normal excretion of sebum, and accelerate healing; and the warm reaction of fire needles can reduce the inflammatory reaction around the lesions, which is more conducive to the repair of the lesions. 2.Acupuncture point injection: specific drugs are injected into the acupoints, with the double stimulation of acupuncture and medicinal fluid on the acupoints, which is effective in treating acne and reduces the recurrence of acne. 3.Acupuncture Point Thread Embedding: According to the theory of acupuncture and moxibustion, the sheep’s intestine thread is buried in the acupoints, which can achieve the purpose of coordinating internal organs, balancing yin and yang, dredging the meridians and channels, and regulating qi and blood through the slow absorption and long-lasting stimulation. 4, Chinese medicine mask: based on the basic theory of traditional Chinese medicine selected herbs, directly to the affected area to play a role, while promoting the skin follicle catheterization and the smooth discharge of skin lipids. 5.Piercing and cupping: “Wan Chen is removed when the blood is removed”, the piercing and cupping method is used to make the evil follow the blood, which has the effect of activating blood circulation and removing blood stasis, eliminating decay and generating new ones, so that the inflammation of acne can be dissipated. 6, auricular acupuncture point treatment: “ear, the collection of zong chi also”. The local stimulation produced by auricular acupoint pressure, through the conduction effect of brain points and meridians, regulates the internal and external balance of the body and improves immunity. 7.Chinese medicine fumigation: Expand pores, soften keratin, promote skin microcirculation, give full play to the blood circulation and anti-inflammatory effect of drugs.