Abstract: A method for inspecting appearance of pellet type medicines and a system employing thereof are provided, in which after the pellet type medicines are arranged into a row, they are sequentially slid down via an oriented sliding channel and then collected after dropping, wherein when the pellet type medicines move on the oriented sliding channel, an image processing device classifies the pellet type medicines according to records of detecting signals and gathered images, and controls the operation of a classification controlling device related to the appearance defective pellet type medicines, so as to depart the appearance defective pellet type medicines from the dropping pathway.