According to the China Manned Space Engineering Office, at 10:25 on September 18, 2021, Beijing time, the Tianzhou-2 cargo spacecraft separated from the rear port of the space station’s sky and core compartment, and flew around to the forward port to complete the automatic rendezvous and docking. , The whole process lasted about 4 hours.

At present, the combination of the space station's Tianhe core module and the Tianzhou-2 cargo spacecraft is in good condition, and will successively welcome visits from the Tianzhou-3 cargo spacecraft and the Shenzhou-13 manned spacecraft.