Enhancement of quality of medical care is a part of public services, how to enhance the quality of service in the limited resources of medical institutions, enhance customer satisfaction, as an important issue of concern for the community. The purpose of this study is to explore emergency patients’ satisfaction with the environmental facilities, waiting time, staff attitude, medical processes, services in a regional teaching hospital. It took cross-sectional purposive sampling, and emergency patients as the research object . A total of 181 valid questionnaires were collected, for the use of "The North District Medical Alliance Satisfaction Scale” as a research tool. Subjects were predominantly 20-29 years of age, with college and university level of education accounted for a maximum of 32.6%. The results showed that hospitals with a range of business services average satisfaction is quite satisfactory (4 points) to the satisfaction (5 points) respectively; overall satisfaction from high to low were: the results of medical process , services, attitude of staff, waiting time for hospital environment and facilities. The study found that "is willing to introduce friends and relatives to hospital for medical treatment", educational level, age and quality of service satisfaction has a statistically significant difference (p <.05), Scheff’e test found that emergency patients to the medical environment, staff attitude and the medical procedure will affect the satisfaction of the case and the willingness to introduce friends and relatives come to the hospital for medical treatment, high levels of satisfaction were higher than junior college and the country below the age above 40 years of satisfaction than patients 20-39 years of age.According to the results of this study, this paper concludes with a regional teaching hospital for the emergency service-quality improvements, the provision of medical institutions, government agencies and follow-up study in Taiwan.