Abstract: Hu Sheng' s view about intermediate force is the fruitful and innovative theory accomplishment which he studied hard in his old age on China modern history and the history of Chinese Communist Party. Hu Sheng had scientifically revealed the intension of the intermediate force. He had systematically summarized the theoretical viewpoints about the political view of the intermediate force as well as historical role and the characteristic that they shake and break up. His view has opened up new field and offered new research visual angle to study on China modern history as well as the history of the Chinese Communist Party.