At present, there are 4 regional equity trading markets (commonly known as four boards) in China, and the listing conditions of four boards in each region are still different, and they are generally divided into multiple boards. For example, Qianhai Stock Exchange Center, the largest four-board market in China, is divided into standard board, incubation board and overseas board, and their listing conditions are as follows:

Four boards are also new four boards in folk parlance; On the other hand, the New Fourth Board is the registered trademark of Qianhai Zhimedia, and it is a service system of docking four boards to ring the bell and capital education.