Tianzhou 4 (Chinese: 天舟四号) was the fourth mission of the Tianzhou-class uncrewed cargo spacecraft, and the third resupply mission to Tiangong Space Station carrying 5 tons of cargos and 1 ton of propellant.

[3] It is a part of the construction of the Tiangong space station, and is the third cargo resupply mission to the already launched Tianhe core module (CCM).

[4] On May 7, 2022, the combination of the Tianzhou-4 cargo spacecraft and the Long March 7 Yao-5 carrier rocket are transferred vertically to the launch area.

[3] At 17:56 UTC on May 9, 2022, the Long March 7 Yaowu carrier rocket carrying the Tianzhou-4 cargo spacecraft was successfully launched at the Wenchang Cosmodrome in China.

[8] On November 9, 2022, at 06:55 UTC, Tianzhou-4 separated from the space station in preparation for deorbiting, making way for the upcoming Tianzhou 5.