Methodology coming from Weltanschauung is the basic idea of Dialectical Materialism, the environment of human living plays a very important role for the formation of human weltanschauung, nature environment provides all needs of human living, the culture environment influences people's thinking and behavior, the project management which targets on client's satisfaction should be based on the real environment condition of the project and client being, as far as possible to meet client's expectation and requirements.