In the long-term revolution and construction in China, Comrade Mao Zedong devoted to the ideology of Marxism transformation in China and formed a unique idea. Overall, Comrade Mao Zedong's connected thought on ideology of Marxism transformation in China included the interrelated areas: studying Marxism which was the precondition of Marxism transformation in China, putting investigations and researches into practice which were the foundations, combining theory and practice which was the key, seeking truth from facts and adhering the direction of Marxism transformation in China, promoting theoretical innovation, and speeding up the process of Marxism transformation in China.