Generally, department stores will provide better quality goods. Consumers buy goods in the department store, in addition of a relatively high-quality goods, they will also compare of the quality of the environment and high standard of service. It causes each other's domestic department stores competition, and to provide better quality service. Taiwan's service industry output value and job creation, in essence, has been a developed country in a service-based. In this study, we try to construct a chain of department stores of both objectivity and circumspect service quality audit table, and then after many juniors students trained to conduct the first phase of the audit. The results came out the first phase, we modified improper questions, and then five well trained students with many times auditing experience performed the second phase of compare audit the best department store with other two department stores. The results of this research may enhance service quality with the objective orientation guidelines, and help the department store to improve service quality.