The difference between the three NCT squads is that the squads are spread over different areas.
NCT currently has four squads, NCT U, NCT DREAM, NCT 127, and Wishen V. The NCT U squad has no fixed members, and determines the group members based on the style of the song, and the successive members of this squad are Jung Jae Hyeon, Lee Yong Chin, Lee Mark, Lee Tae Yung, Kim Do Young, Moon Tae Ik, Hwang Wook Hee, and Kim Ting Woo, and the current members are made up of Hwang In Joon, Lee Tae Nu, Luo Jung Min, Jong Chen Le, Lee Mark, Kai Chan, and Park Ji Sung are the seven members, and their representative songs include 'Seventh Sense', 'BOSS', and 'Baby Don't Stop'.
NCT DREAM is NCT's teenage squad, the group members are all younger, the beginning of the seven by Lee Mark, Luo Jiumin, Park Ji Sung, Zhong Chen Le, Hwang In Joon, Lee Dinu, Kai Chan, and is currently in addition to Lee Mark, six people to carry out activities, representative of the songs are 'BOOM', 'Ridin', 'We Go Up' and so on.
Others
NCT 127 is NCT's Seoul squad, 127 being the longitude of Seoul, and has been composed of ten members, successively, including Moon Tae-il, Jung Jae-hyeon, Lee Tae-yong, Lee Mark, Nakamoto Yuta, Kai-Chan, Dong Si-Seong, Kim Do-Young, Seo Young-Ho, and Kim Ting-Yu, whose representative songs include "Cherry Bomb", Regular" and "Hero; Kick it".
Weishen V is NCT's squad in China, consisting of seven members: Qian Kun, Li Yongqin, Dong Sicheng, Xiao Jun, Huang Guanheng and Liu Yangyang. Five of the group's members are from China, with Li Yongqin and Liu Yangyang being of Thai-Chinese and German-Chinese descent, respectively, and their representative songs include "Fly Without Flying," "Chosen City," and "Supertime Back," among others.