The purpose of this study is to set up a appropriate portion by consumed size of food in industry food-service operation. The results were summarized as follows: 51.7% of the subjects were 30 to 39 years old 83.3% of them had highschool education. They represented that taste of food intake. Individual consumption sizes for physical workers in the industry foodservice were cooked rices 238g soups 212g pot stewes 230g stir fries 40g stewes 60g fresh and boiled salad 42g kimchies 51g one course dishies 406g grills 51g meunieres 47g. Properly portioned meal sizes for physical workers based on a statistical data showed cooked rices 240∼270g soups 270g pot stewes 310g stir fries 60g stewes 75g fresh and boiled salads 76g kimchies 67g one course dishies 470g grills 80g and meunieres 50g in the foodservice industry.