The purpose of this study are to examine users' behavior to use park waterscape, and apply theories of P.O.E and users' satisfaction to examine the use condition of waterscape facilities and users' satisfaction degree of waterscape facilities by case study. The study tries to, firstly, establish the evaluation model of waterscape facilities of urban park. Evaluation model contains six steps: investigating the evaluation background, deciding evaluation level, confirming evaluation objectives, working out survey plan, case study, and the application. Secondly, the users' valuation of waterscape facilities are explored. Based on the regression analysis equation, users' satisfaction degree of waterscape facilities are affected by expectation, performance and attribution. Finally, evaluation results of two parks are compared. It shows that, in terms of the technique evalulation, Chung Chen park is superior to that of Chung Shan park. While both of two parks are in poor management condition in terms of recreational functions. As far as the users' satisfaction degree concerned, the factors that affect the satisfaction are clean, safe, facility use, users' characters, and environment.