After university in 1991, Li was dispatched as an official to the Legal Affairs Bureau of Chongqing Municipal People's Government, where he finally became director of Legal Affairs Office in February 2003.[3] He joined the Chinese Communist Party (CCP) in June 1994.[3] He was party secretary of Kai County (now Kaizhou District) in March 2009 and subsequently party secretary of Nanchuan District in February 2013.[3] In September 2014, he was made deputy secretary-general of Chongqing Municipal People's Government, a position he held until February 2015, when he was chosen as director of Chongqing Municipal Science and Technology Commission.[3] In January 2018, he rose to become vice mayor of Chongqing, a position at vice-ministerial level.[3]