Abstract:Sun Zhongshan is one of the modem Chinese great revolutionists.Under his leadership,the bourgeois revolution overthrew the rule of the rotten feudal dynasty successfully and the first bourgeois republic was successfully established in Chinese history.Building democracy and constitutional politics was the primary content of Sun's democratic revolution.In order to achieve this goal,he divided the political construction process after the revolution into three phases,that is,military politics,disciplinal politi...