The first generation of TF family is TFBOYS. There are three people, namely Karry, Roy and Jackson Yi, and the second generation is TNT Youth League. There are seven people, namely Ma, Ding, Song, Liu, Zhang Zhenyuan, Yan and He. Three generations haven't made their debut yet, but there are thirteen people, but because Zhao Guanyu has left, there are only twelve left. In fact, there are 27 people in the second generation, and only 7 debuted. There are more than three people in a generation, and there are people downstairs. Some people didn't go downstairs and went to the film and television department.