The main purpose of the present study is to research customer satisfaction on gas station service. Central Location Test is adopted to collect data. From the total of 250 questionnaires, 240 valid ones are obtained. According to the result of the questionnaire, scores of customer satisfaction of the 29 service items are all lower than 5.00 points. The result shows that the majority of customers are not very satisfied with the service of this gas station. T-test and ANOVA are further adopted to explore whether there are significant differences in customers' perceptions on satisfaction of gas station by testing some demographic variables.