理性概念在西方哲学中能够以实践论方式和意义来理解和界说。实践论意义上的理性应当根据对实践本质的分析和对实践的解构来理解和把握 ,西方哲学所探讨的这种理性可区分为把握实践目的的理性、把握实践手段的理性、评价和反思实践的理性、把握存在的理性、把握人的本质的理性等几种主要形式 The concept of rationality can be understood and defined by the way of practice and meaning in western philosophy. The rationality of the theory of practice should be understood and grasped based on the analysis of the essence of practice and the deconstruction of practice. The rationality discussed in the philosophy of the West can be divided into the rationality of grasping the purpose of practice, the theory of evaluation, and the practice of reflection Rationality, grasp the rationality of existence, grasp the rationality of human nature and other several major forms