Details are as follows:
The Seventh National Congress of the Communist Party of China formed the first generation of leading core headed by Zhu De and Ren.
The greatest contribution of the Seventh National Congress is to establish Mao Zedong Thought as the guiding ideology of the whole Party.
Another contribution of the Seventh National Congress is that in the revised party constitution presided over by Liu Shaoqi, China's fundamental organizational principle and system-democratic centralism was formally stipulated again.