PROBLEM TO BE SOLVED: To provide an apparatus and method for classifying returned drugs for automatically recognizing returned drugs to classify them.SOLUTION: A returned drug classifying apparatus includes: a returned drug housing part 2 for housing returned drugs A in non-lined up state a temporary placing part 3 for picking one returned drug A from the returned drug housing part 2 to temporarily place the same a returned drug discrimination part 4 for discriminating the returned drug A a position and direction detection means for detecting the position and direction for picking the returned drug A by inputting the image of the returned drug A of the temporary placing part 3 to analyze the same a picking device 6 for picking the returned drug A of the temporary placing part 3 on the basis of the position and direction for picking the drug detected by the position and direction detection means and adjusting the direction of the returned drug A to place the returned drug A on the returned drug discrimination part 4 and a returned drug housing part 5 for classifying the returned drug A on the basis of the discrimination result by the returned drug discrimination part 4.