Four Generations of Leading Nuclei and The Ideology Line of Party

According to the concrete historical background and era demand, the ideology line of seeking truth from facts has gone through four developing stages. This is four stages represented by Mao Zedong, Deng Xiaoping, Jiang Zemin and Hu Jintao. The stage of Mao Zedong is the establishment of the practical thought route. Emancipating the mind and seeking truth from facts is the contribution of Deng Xiaoping. In the stage of Jiang Zemin, the rout is emancipating the mind, seeking truth from facts and growing with each passing hour. In the Hu Jintao's stage, it is a key content of a thought route of our party to follow the down-to-earth principle.