This study was conducted to investigate nutrient and food choices in gastric cancer patients receiving Cisplatin after surgery. Ten patients were followed from the fist day of the first cycle to the last date of the 6th the cycle of the chemotherapy. The subjects kept daily self record of dietary intake and the period of nausea/vomiting during 6 cycles. Using Computer Aided Nutritional Analysis Program, the degree of Calorie, carbohydrate, protein, fat and fluid intakes according the chemotherapy period. The reseacher developed food intake rating scale, and then three dietitians analysed the oral intakes according to the type of foods. As the results of this study, during the chemotherapy cancer patients are intakes much fewer calorie, protein and fluids than recommended dietary allowance. Oral intake was worsen as treatment proceed. During the chemotherapy periods most of the patients choose fruits, vegitables, steam rice, porridge, yogurt and the beam soup to overcome nausea and vomiting. In order to promote oral intake for chemotherapy patients, the researcher strongly suggest that indiviual food preform should be considered.