[2] On April 10, 2018, the application process was opened for the formation of Team SH, in which 38,066 girls registered by May.

The applications were reviewed, and the second round consisted of interviews that were held in six cities.

A third round was conducted in Shanghai, of which 62 girls were finalists and performed in singing and dancing.

On July 25, it was announced that 34 members have been selected for the first generation of Team SH.

Two of the members, Liu Nian and Mao WeiJia had previously participated in the idol competition show Produce 101.