A coin separating and detecting device includes: a separating and feeding rotating body disposed inclinedly and configured to receive and separate coins; a coin separating and feeding device configured to push out the coins that have been separated; and a coin detecting device configured to receive the coins from the coin separating and feeding device, the coin detecting device including: a detecting rotating body configured to move the coins; and a sensor configured to acquire physical information on the coins, wherein the separating and feeding rotating body and the detecting rotating body are positioned adjacent each other in a horizontal direction; and wherein the detecting rotating body is configured to receive the coins; hold the coins; deliver the coins onto the detecting portion introduction guide; and push the coins forward along the detecting portion introduction guide.