The main thing about the herbal treatment of flat warts is that it includes both internal and external treatments, with the internal treatment being the identification of the disease and the external treatment including scrubbing and so on. 1. Internal treatment (1) wind-heat syndrome: the rash is light red, the number of more, slightly itchy or not itchy, short course of the disease, dry mouth does not want to drink, the tongue is red, the moss is thin and yellow, the pulse is floating number. The treatment is to dispel wind and clear away heat, detoxify and disperse the toxins. Choose the combination of Ma Diao Yao Yao plus subtractions. (2) Heat and blood stasis syndrome: the symptoms include long duration of the disease, hard rash of different sizes, yellow-brown or dark red color, no itching and no pain, red or dark red tongue, thin white moss, and sunken stringy pulse, etc. The treatment is to activate blood circulation and remove blood stasis (promote blood circulation and blood circulation). Treatment is based on the principle of activating blood circulation and removing blood stasis (promoting blood circulation and eliminating blood stasis in the body), clearing away heat and dispersing knots, and using the formula of Taohong Siwu Tang with additions and subtractions. 2. External Treatment (1) Scrub method: use the second decoction of the internal formula to scrub the warts externally, and use cuttlebone dipped in the medicinal juice to scrub the warts. (2) Crow’s berry method: use crow’s berry kernel oil to apply externally to the affected area. If flat warts appear, its treatment should consult the clinician, not unauthorized medication.