The invention discloses a medical tray carriage convenient to store. The medical tray carriage convenient to store comprises a retractable rod, wherein a fixing ring sleeves the surface of the retractable rod; the left side of the fixing ring is connected with a fixing rod in a penetrating manner; a rotating plate is arranged on the top of the retractable rod; a cavity of the rotating plate is movably connected with a limiting rotating shaft through a rotating groove; a first placing plate is arranged on the top of the limiting rotating shaft; a baffle is arranged on the top of the first placing plate; second placing plates are respectively arranged on two sides of the cavity of the first placing plate; rollers are arranged at the bottom of each second placing plate; and the bottoms of the rollers are movably connected with the first placing plate through chutes. The retractable rod, the first placing plate, a handle, a connecting plate, the second placing plates, the rollers, the baffle and the limiting rotating shaft are matched with the rotating plate, and therefore, medical appliances with different sizes can be convenient to store.