Starting from realistic people, Marxism's view of labor time condenses the core of economic ethics, facing the life world and forming economic ethics dimensions. It carries on the profound economic ethics criticism to the capitalist society through the cold reality disclosure. With dialectical logic deduction, it embodies scientific economic ethics thinking. Through the exploration of time and space integration, the economic ethics cognition of working time has been realized, which goes beyond the previous theory of working time. As a result, the ethical conflicts and moral forms of capital can be revealed from the facts of the economic life with rich economic ethics connotation. Analyzing Marxism's view on labor time from the perspective of economic ethics can reveal Marx's inherent personal value endowment and economic ethics characteristics, presenting the authenticity of Marxism's view on labor time