General organization and action principles of the political party of working class: Democratic centralism, self - criticism and criticism, unification were soon mentioned by K. Marx and F.Engels, were developed and practically implemented by V. I. Lenin. In which, democratic centralism must be implemented appropriately with specific situation
self criticism and criticism is an "essential" principle
unification is the unbeatable strength of the Party. The thoughts on Party building and organizing has grounded and developed together with worker movements and afterward has deeply effected to the whole development of worker movements and communist parties.