Abstract: The present inventive concept relates to a deposition system including: a deposition device having a chamber, a seating plate located inside the chamber to seat a wafer, a magnet coupled to the underside of the seating plate, and a mask assembly located inside the chamber; and a transfer device having a load lock chamber for accommodating the wafer, an arm member for transferring the wafer from the load lock chamber to the seating plate, and a fourth driving module for moving the arm member, wherein the deposition device includes a first driving module for moving the magnet and the seating plate, a second driving module coupled to the first driving module to move the magnet, a third driving module for moving the wafer, and a control module for controlling the first driving module, the second driving module, the third driving module, and the fourth driving module.