He was 68.
According to local media reports, he died in Shanghai.
Li recently had a rest in Shanghai. On Oct. 26, Li had a sudden heart attack and passed away at 00:10 on Oct. 27 after all rescue measures failed, reported Chinese news agency Xinhua.
Li served as the premier of the People's Republic of China from 2013 to 2023.
He was also the second-ranked member of the Politburo Standing Committee of the Chinese Communist Party (CCP) from 2012 to 2022.
Li was a major part of the "fifth generation of Chinese leadership" along with Xi Jinping, the CCP general secretary.