Yoga knowledge system is a knowledge system which has the features such as large capacity, complicated knowledge relations and more implicit knowledge and so on. It is hard to establish the expert system for these special areas by using traditional production method, for it not only needs the domain specialists but also the information specialists to do a great deal of work. However, using POAD ES model could decrease the workload and costs dramatically. That is because that the establishment of knowledge system with POAD ES model is coincidence with human thinking about the problem analyzing and solving, so that the domain specialists could establish the knowledge system autonomously according to their domain knowledge without relying on the information specialists.