According to the China Manned Space Engineering Office, the "Tiangong classroom" of the Chinese space station will choose an opportunity to carry out the second space teaching activity in the near future. On December 9, 2021, the "Tiangong classroom" held its first space teaching, and the "space teachers" Zhai Zhigang, Wang Yaping and ye Guangfu interacted with the teachers and students of the ground classroom. The first space teaching has further shortened the distance between teenagers and manned spaceflight, and an upsurge of exploring Aerospace mysteries and learning Aerospace knowledge continues to rise. After the first space class, all sectors of society widely participated in the solicitation of teaching contents of "Tiangong classroom" through news media and Internet. The content of the second space course was selected from the opinions and suggestions collected and carefully designed in combination with the facilities and conditions of China's space station. The teaching activities will be broadcast live throughout the course. (outlook new era)