Sometimes waiting is unavoidable. In addition to waiting environment, the personality of customer might influent perception of waiting time. Our research intends to find out the impacts of perceived waiting time on service satisfaction and service loyalty under background music and personal time style. This research grants 160 questionnaires, 118 effective questionnaires are collected altogether from 4 hospitals' Physical Examination Centers in middle and southern Taiwan.The results are as follows. There are no significant differences in waiting time perception between different personal time style or background music preference. Besides, perception of waiting time has a negative impact on service satisfaction, but service satisfaction has a positive impact on service loyalty. Finally, service satisfaction plays a mediated role between perceived waiting time and service loyalty.