Banqiang is divided into two systems: "Bangzi" and "Erhuang". This conference will introduce and demonstrate Bangzi middle plates, including front and back line middle plates and ancient middle plates. The format of the middle board has seven characters and cross sentences. The beat is one board and one ding. It is sung from ding to ping, and the singing methods are divided into Ping, Zi and Ba. In addition, the mode of the middle board is changeable, including forward line, reverse line and reverse line, and the rhythm is divided into slow, medium and fast.
