1. Objective: Improve outpatient process through constructing one-stop convenient service center in out hospital to heighten the rate of patient satisfactory and outpatient efficiency. 2. Methods: Interviewed patients on the outstanding problems in questionnaire formats, and analyzed the results with descriptive and quantitative statistics. 3. Results: The center could significantly reduce times of inquiry and journey，but not time consuming. Meanwhile, higher ability of staffs was required in the center. 4. Conclusion: It is feasible and effective that to implement one-stop service center in comprehensive public hospital in county which can heighten the rate of patient satisfactory and outpatient efficiency.