任务有以下主要目的：在轨验证航天员长期驻留、再生生保、空间物资补给、出

任务有以下主要目的：在轨验证航天员长期驻留、再生生保、空间物资补给、出舱活动、舱外操作、在轨维修等空间站建造和运营关键技术，首次检验东风着陆场的航天员搜索救援能力；开展多领域的空间应用及实（试）验；综合评估考核工程各系统执行空间站任务的功能和性能，进一步考核各系统间的匹配性和协调性，为后续任务积累经验。

The mission has the following main objectives: in orbit to verify the key technologies of space station construction and operation such as long-term stay of astronauts, regeneration and living protection, space material supply, out of cabin activities, out of cabin operation, on-orbit maintenance, and the first time to test the search and rescue capabilities of astronauts in Dongfeng landing site; To carry out the space application and practical test in many fields; Comprehensive evaluation and evaluation of the function and performance of the space station task performed by each system of the project, further assessment of the matching and coordination among the systems, and accumulated experience for the subsequent tasks.<br>

The mission has the following main purposes: on-orbit verification of key technologies for space station construction and operation, such as astronauts' long-term residence, regeneration and life insurance, space material replenishment, outbound activities, extravehicular operations, and on-orbit maintenance, and the first test of astronauts' search and rescue capabilities at Dongfeng Landing Site; Carry out multi-field space applications and practical (test) tests; Comprehensively evaluate the functions and performances of each system of the project in carrying out the space station task, further evaluate the matching and coordination among the systems, and accumulate experience for the follow-up tasks.