On December 20, the Swiss Grasshopper Football Club officially announced the news of international player Li Lei joining the club, and the Beijing Guoan Club then also officially issued a document to bid farewell to Li Lei. Li Lei played in Guoan for nearly 7 years, the jersey number from No. 3 to No. 4, from the bench to the main force, from the ordinary players to the active international players. One step at a time, is a low-key down-to-earth player representative.
On January 18, 2015, Beijing Guoan club announced that side defender Li Lei joined the team, signing a three-year contract. At the beginning of the period Li Lei is not the absolute main force, after two years of hard work, until the 2017 season Li Lei by virtue of their own efforts to stabilize the position of the left back of Guoan.At the end of 2017, Li Lei and Guoan renewed the contract for four years.
In 2018, Li Lei harvested the FA Cup title with Beijing Guoan.In the 2019 season, Li Lei saw the pinnacle of his career at Guoan and was named to the 19th season's Chinese Super League (CSL) Best XI.
July 26, 2020, Beijing Zhonghe Guoan against Chongqing Contemporary, Li Lei scored a world wave, at the same time, the game is Li Lei on behalf of Guoan 100 games.
