Mahjong tables are divided into two types, namely, a large table top and a small table top, namely, 36 table top and 41 table top: 36 table top: the clean table top is 81.5×81.5 cm square with an upper frame of 96 cm. Plus four chairs, it covers an area of 1.8 meters square. Suitable for southerners, women, families and chess rooms with small room area. 41 Desktop: the clean desktop is 87.5× 87.5cm square, with flannel, and the upper frame is 1.12m Plus four chairs cover an area of 2m square, which is suitable for northerners, large families with ample room area, chess rooms, hotels, teahouses and entertainment centers.