The purpose of this study on the activating method of incentive system for job satisfaction. Respondents are divided into four groups. Actually revenue generating by incentive system is required to have three factors, status incentive, social incentive, financial incentive. Therefore employees will be encouraged & motivated effectively to participate in incentive system. It suggested a few proper way available to be adopted in food industry wage system which was set through seniority rule. So food industries are accentuating the applying of Incentive System to solve these problems. For Incentive System might make food industry employees to be more active. In my study it suggested a tangible way to satisfy food industry employees practically and emotionally. Therefore, in order to fulfill incentive system successfully, food industries should throughly investigate fairly reward system and show management`s concern. For that reason, this study investigated the way to reach the greatest degree of their profits through performance evaluation of a food industry for the employee.