RESUMEN
[Objective] To narrate the cause of acne from "Yang depression". [Methods] From the point of view of "Yang depression", the different syndromes of acne were analyzed, and the etiology, pathogenesis and corresponding therapeutic views were expounded, and a sample case was cited. [Results] There are three types of acne in the textbook of Chinese medicine surgery: acne with pattern of wind-heat in lung channel, acne with heat binding in the intestines and stomach and acne with syndrome of stagnation and congelation of phlegm-damp, the prescription used is mostly bitter cold, which can easily hurt the spleen and stomach, cause cold-dampness inside, lead to the pathogenesis of cold, wet and blood stasis while taking it for a long time. In view of this, the "Yang depression" can be used to explain the different syndromes leading to acne. Inspired by the Neijing, the patients with "Yang depression" can be properly treated by warming Yang and relieving depression. The patient in the case is discriminated as the type of obstruction of defensive Yang, it was satisfied to see that using the prescription of Zhongjing: the Decoction of Ephedra Aconite and Asarum. And we can also use formula variation in accordance with signs, like clearing heat and removing toxin, invigorating spleen and draining dampness, activating blood and resolving stasis, softening and resolving hard mass. [Conclusion] Depression of the Yang is an important pathogenesis of acne. We are suggested to treat the acne of "Yang depressions" with the method of "warm Yang and relieve depression", which can be used as the prescription of Zhongjing.