The utility model belongs to the technical field of household daily necessities, and particularly relates to a mahjong table cloth fixing device which comprises a table top, table cloth, an opening piece and a pressing piece, the table cloth is laid on the upper end face of the table top, the opening piece is fixed with the table cloth through a connecting plate and a positioning column, and a clamping strip is arranged on the edge of the connecting plate. The pressing piece is composed of a pressing frame and a pressing plate, the pressing frame is attached to the inner side of a table frame, the pressing plate is attached to the top of the table frame, an anti-skid layer is arranged on the lower end face of the pressing plate to enhance the fixing effect, and a through groove and a through hole are formed in the tablecloth and correspond to the hatch cover and the control disc respectively. By means of the structural design, the mahjong table cloth fixing device achieves the effects that mahjong table cloth is stably fixed, flattened and easy to disassemble and assemble, and solves the problems that in a traditional fixing mode, the table cloth is prone to displacement, uneven and inconvenient to disassemble and assemble.