过去在制作寄生虫染色标本时，对有些用肉眼难以看到的微小虫体或幼虫，为了能在显微镜下看清楚虫体的内部构造，多采用离心管离心沉淀染色法’‘’进行染色。此方法在染色过程中虫体易大量丢失，且不易掌握虫体的染色、分色、脱水等步骤，最后获得标本染色效果往往不够理想， In the past in the production of parasite stained specimens, some of the microscopic larvae or larvae hard to see with the naked eye, in order to be able to look at the microscope under the microscopic internal structure of worms, and more use of centrifuge tube centrifugation staining ’’ for staining. This method in the dyeing process easy to lose a large number of parasites, and difficult to grasp the parasites staining, color separation, dehydration and other steps, and finally get the specimen staining results are often less than ideal,