At 9:22 am Beijing time on June 17, 2021, the Long March 2F carrier rocket carrying the Shenzhou-12 manned spacecraft ignited and launched from the Jiuquan Satellite Launch Center. After that, the Shenzhou-12 manned spacecraft successfully separated from the rocket, entered the predetermined orbit, and successfully sent Nie Haisheng, Liu Boming and Tang Hongbo into space. The flight crew was in good condition, and the launch was a complete success. This is China's manned space project since the implementation of the 19th flight mission, is also the space station stage of the first manned mission. After the spacecraft is in orbit, it will conduct an autonomous rapid rendezvous and docking with the sky and core module in accordance with the scheduled procedures. During the composite flight, the astronauts will be stationed in the sky and core module, complete a three-month in-orbit residency, carry out activities such as robotic arm operation and space exit, and verify a series of key technologies such as long-term in-orbit residency and regeneration.