Wrist type card game disk

A wrist-type card play-tray comprises a main body and a tray body unit. A main positioned slot and a subsidiary positioned slot used for placing play card are arranged on the side edge of a shell body of the main body. A turnover score-calculating faceplate is arranged on the top edge of the shell body. A fixed component is arranged on the bottom edge of the shell body. The main body can be fixed on the wrist of user by the fixed component. The tray body unit is consisted of a main tray body and a subsidiary tray body. The tray body unit can be combined with the main body for user to use. The subsidiary tray body of the tray body unit is arranged in the inner of the main tray body. The user can extract the subsidiary tray body from the main tray body. Besides, several card orifices are arranged both on the main tray body and the subsidiary tray body. The arrangement of the card orifices can provide a card play platform for user.