Since a person is made up of two theoretical and practical capacities and each of theme are effective in human operation, The manner and nature of theoretical and practical episteme and how is the connection and relationship between them in the past and today is essential. In other words, Interpretation of the concepts of theory and practice and what is The manner and nature of theoretical and practical episteme in the past and today, is one of the goals of this research. The research findings show, The triple tool of the essence of episteme, i.e. sense, imagination and reason, includes sensory, imaginary and intellectual perceptions and follows scientific, mystical and philosophical understandings. Since episteme is considered as a mother who nurtures two children in her lap, ،theory and practice, the diversity of the mother is also effective on what and how the children are. The results of this research show that in the new era compared to the past, in examining the link between theory and practice, the error of defining the exact theory and practice and abstracting them, negatively or positively, has been repeated continuously. The present research briefly clarified this error and expressed the deep gap that has been created in the new era between the two concepts of theory and ptactice and has turned it into a distant duality. The research method used in the research is a qualitative search system with an analytical and comparative strategy.