Theoretic reflections on the insistence on the progressiveness of the Party

Progressiveness is the essence of the vanguard of the working class.Marxist parties in power have always attached great importance to keeping the progressiveness of the parties and regarded it as the base of survival and development of parties.However,the progressiveness of the Party is concrete and historic and based on its national conditions,it is embodied in the concrete practice of the Party so that the Party leads the society to make constant progress.