For recent years, the partial food suppliers launched into a new niche marketparent-child restaurant. This new restaurant style did not only have friendly area, but also provided child foods. Therefore, the purpose of this study was exploring the influences of parents' loyalty on parent-child experiment and quality of restaurant service. The population of this study comprises the parents who have children under eight years old. We found that parent-child experiment and quality of restaurant service all positively influence parents' loyalty. The results of this study suggest the parent-child restaurant can focus on building environment of parent-child interaction, physical equipment, and employee training.