Eating out industry is typical human service industry to depend on human resources largely. Nevertheless, management of human resources in eating out industry is beneath notice. Degree of satisfaction at a duty of an employee must be grasped to offer good service to a customer. Human service of an employee is structural element of eating out industry and a direct instrument to make a profit Therefore, an offer of good service depends on a mental attitude of an employee though satisfaction at a duty. Therefore, this study investigates elements affecting satisfaction at a duty of an employee and presents actual remedies to a chive purposes of study with importance. To accomplish this duties, this study does theoretical studies on satisfaction at a duty and literature studies on general features of eating out industry. And, on the basis of it, this study does actual studies on satisfaction at a duty of an employee in small-scale eating out industry Therefore, to disperse burdensome amount of business due to human structure that do not differentiate between operation and cooking to operate organization that employee works by turns and rest, and to use well trained part-time worker will contribute to reduction of labor cost and promotion of morale of current employee.