Abstract: The international communist moveme nt suffered heavy losses after the violent change of Eastern Europe and the disintegrati on of Soviet Union at the end of eighties and beginning of nineties of the 20th century.One of the basic reasons is these countries haven’t solved the probl em of ruling party’s construction well.Centering round Comrade Jiang Ze-min,the third gen eration leaders of Chinese Communist Party make progress with the time,following the great men Mao Ze-dong and Deng Xiao-ping,strengthen the ruling party’s construction constantly,blaze new trails in theories,and ad vance the great‘three-representative’ideology.They answered the problem of con-structing what Party and how to construct it thoroughly,propelled the China ’s socialism forward,and made great new contribution to international communist movement.