This study has been implemented to explore the method to improve job satisfaction and service quality of its staff by figuring out the effect of job satisfaction of geriatric hospital staff on service quality. For this reason, we conducted a questionnaire survey on April 2 to May 22, 2013 to target 300 people ten geriatric hospital workers in Busan Metropolitan City area, was utilized to study the final total of 276 parts. Firstly, It was found that work satisfaction, wage satisfaction and colleague satisfaction have an effect on job satisfaction, and Secondly, satisfaction and fellow satisfaction of business, were analyzed to affect, but had no effect conservative satisfaction Thirdly, for the effect of job satisfaction on the service quality, it was found that job satisfaction has an effect on service quality. Therefore, it can be concluded that service quality for patients can be improved only if job satisfaction of staff is improved, and by reducing stress caused by overwork of staff and boosting their morale through reasonable wage and compensation.