This research confer with casual relationship between the quality of service, satisfaction of customers and other relating derivation behaviors. Adopted with questionnaire, and the samples are tourists from Taipei Zoo. By using SPSS statistics software into "factor analysis", "single factor variation analysis", "covariance analysis", and "regression analysis." According by the result of this research, the expectation in advance has no remarkable influence on the degree of the entire customer satisfaction. On the contrary, the sense of reality has positively effect on the entire customer satisfaction. Also, the quality of service has the positive effect on satisfaction of customers. Population statistics partially interfere with the quality of service toward satisfaction of customers.