Abstract: Theories in the Internal Classic pointed out that the key to the pathogenesis of carbuncle and pus was the stagnation of qi and blood， obstruction of meridians and collaterals， and discord of Zang-fu organs， which can be treated by stage. This paper summarized the methods of treating carbuncle and pus in the Synopsis of the Golden Chamber， and held that carbuncle and pus should be treated early， and evil toxin should be prevented from evading deeper and dispersing around. According to syndrome differentiation， the therapeutic method should be clearing heat and resolving toxins， as well as invigorating blood and dissolving stasis， discharging pus and draining turbidity should be given. These methods above does have practical value in modern clinic.