The protein, carbohydrate intake was found at 66, 4± 18, 2 g / day (1, 2 ± 0, 37 g / kg / day); 176, 8±56, 3 g / day with 43, 9%; 24, 2% patients achieved 100% Recommended Dietary Allowances (RDA) and significant difference was found between gastric cancer and colon cancer about protein intake (p=0, 048) and carbohydrate intake (p=0, 044). The percentage of protein, lipid and carbohydrate was 20.2: 26.2: 53.6is unbalanced as RDA, because of decreasing the ratio of lipid.