Abstract
Life-world is a basic fact concerning our life. By inventing the concept of life-world, the importance of the problem of practice was distinguished and the traditional understanding that theory overweighs practice was reversed. Thereupon, the rational agent is charged, and philosophy of practice revived. The revival of philosophy of practice demonstrates the transformation of the mode of philosophical thinking and the changing of philosophical problematic. The mode of practical thinking means reflecting the human behavior and all the relevant basic problems from the perspective of human practice and the understanding of this practice. This is the inevitable tendency in the development of philosophy in the process of self-critique, self-transcendence, and self-renewal.