机体中某部份组织受化脓细菌的侵袭,发生细胞的坏死和活体组织的液化后就产生了「脓」。其中含有细菌、细菌毒素、白血球及其他坏死组织等。有毒素的脓液,我们应当设法除去,过去(现在亦还不少)往往多靠引流的方法来达到目的,实际上这种方法很难使人满意,据苏联学者们的意见认为:引流物是一种异物,它存在着许多缺点: Some tissues in the body are attacked by pyogenic bacteria, causing “pus” after cell necrosis and liquefaction of living tissues. Which contains bacteria, bacterial toxins, white blood cells and other necrotic tissue. Toxic pus, we should try to get rid of the past (now many) often rely on the drainage method to achieve the goal, in fact, this method is difficult to satisfy, according to Soviet scholars believe that: drainage Is a foreign body, it has many shortcomings: