In 1940, the Japanese Osaka electrification bureau once drew up 52 kilometers Mukdens of 4 circuits subway line net programming and the design document.

In 1965, need because of the war preparedness, State Department and central military committee allowed ShenYang the building subway, afterwards because" Cultural Revolution" is stop.

In 1990, shenyang start light track first period engineering construction,State Department signed an approval in 1992, the engineering possibility research paper approval in 1993, afterwards because various reason did not carry out.

In December 1999, ShenYang subway No.1th line the first period engineering item suggestion in the book reports the national planning board.

In 2003, 《 concerning strengthen the city fast orbit transportation constucted the management of circular 》 spirit, draw up 《 ShenYang fast orbit transportation construction programming 》 and report the national development reform committee,The Chinese international engineering consultation company passes in October 2003;Constuct a first step commentary to examine to pass in March 2004.

In October 2004, province people's government of Liaoning reports formally 《 approval shenyang with regard to reporting State Department the fast orbit transportation construction program of instruct 》 .

On August 14 in 2005, agree through State Department, national development reform committee approval 《ShenYang fast the orbit transportation construction programming 》 .

In November 2005, the national development reform committee approval 《ShenYang subway No.1th line is the first period engineering possibility research paper 》 .