Labor union movements brought wage workers into being in the process of industrialization after the Industrial Revolution and they were started with efforts to solve a variety of special problems, brought up in the industrial society by systematic activities. Labor union shows us many differences in the direction of the movement according to its philosophical tendency. Objective of this study is as follows : To find out the problems of labor union movements for democratization of management to present the direction of labor movements based on the democracy of Industry. Accordingly chapter II examines on the Labor union literally for better understanding of the labor union movements Chapter III deals with the structure, characteristic and development process of our country's labor union chronologically. And on the basis of the development process chapter IV suggests the roles on the union, management and government for better union movements. Chapter V reaches a conclusion.