引流为外科基本操作之一，也是外科手术中常用的治疗措施，对于外科医生来说较为熟悉。但关键问题是如何恰当而正确的使用引流术，应当引起我们的重视，否则不但起不到引流应有的作用，反而会加重或增加感染机会，产生合并症等严重的后果。外科引流是术中或术后处理常用的方法之一，在外科治疗中占有重要地位。引流种类较多，可分别置于切口，体腔，空腔器管，实质器官内，以引流血液，脓液，体腔液或胃肠道的液体和气体。正确的引流能促进术后康复，减少治疗时间，能使手术的应激反应减到最低程度。在临床上应遵循无菌，分类，固定，通畅，定位，定性，定量，定时，预防并发证的原则。“,”Drainage one of for surgical department elementary operation eos,also is in the surgical operation the commonly usedremedial measure,is familiar regarding surgeon.How but is the key question appropriate and the correct use drainage,must bring to our at ention,not only otherwise the drainage should have the function,instead can aggravate or the increase infec-tion opportunity,has the complications and so on the serious consequence.Of the surgical department drainage is one of in the technique or technique post-processing commonly used methods, holds the important status in the surgical treatment.The drainage type are many,may put in the margin separately,the body cavity,the cavity tube,in the substantive organ,by drainage blood, sanies,coelomic fluid or gastro -intestinal tract liquid and gas.After the correct drainage can promote the technique to be restored to health,reduces the treatment time,can cause the surgery the stress to respond reduces to the lowest degree.In on clinical should fol ow the asepsis,the classifica-tion,fixed,unobstructed,localization,qualitative,the quota,fixed time,the preven-tionf ? sends the card the principle.