The invention belongs to the technical field of medicament preparation, and relates to a pill drying method. The pill in the invention generally refers to a pill prepared from traditional Chinese medicine (for example, the Wumeirendan in the invention). In order to solve a series of problems that the pill is hard outside and soft inside, the drying process is too long, volatile components easily volatilize, the labor force is wasted and the like caused by cabinet drying which is commonly used in the existing Wumeirendan pill preparation process, the invention provides the pill drying method. The pill is Wumeirendan, and the Wumeirendan is made into pill cores, intermediate pills, coarse pills and finished pills by a pan-system law. The method comprises the following sequential steps: pillcore drying, intermediate pill drying, coarse pill drying and finished pill drying, wherein the pill core drying, intermediate pill drying and coarse pill drying are carried out in a microwave dryingdevice. The technical problems can be effectively solved by using the method.