The rackets are made of wooden rackets, aluminum alloy rackets, steel rackets and composite (nylon, carbon) rackets. Any racket can be used in the game. The hitting surface of the racket must be flat, interwoven or connected from the string line to the bottom, and its composition format is completely consistent. Each string line must be connected with the racket frame. The total length of the racket frame and the racket handle shall not exceed 73.66 cm, and the total width of the racket frame shall not exceed 31.75 cm.