Patients with tumor-carrying tumors refer to those who have metastases in other parts of the body that cannot be removed by surgery after the tumor lesion has been eradicated, or those who have distant metastases at the time of detection of the tumor lesion that cannot be surgically removed, and who are treated with chemotherapy, radiotherapy, biotherapy, palliative care, and other mainly integrated treatments. Tumors visible on imaging are often present in this group of patients; therefore, there are specificities in the body’s metabolism, and the pattern of diet required is different from that of patients whose tumors have been eradicated. The following 3 principles should be observed in the diet of patients with cribriform tumors: Achieving and maintaining ideal body weight Maintaining a stable body weight and keeping an ideal body weight in patients with malignant tumors during the therapeutic period and the rehabilitation period is beneficial to their prognosis. The main methods are rational diet and exercise. High Protein, Adequate Vegetable and Fruit Diet It is recommended that patients in this stage of life increase the protein content of their diets and consume more high-quality proteins to alleviate the decrease in protein catabolism and protein synthesis caused by tumors. Adequate intake of vegetables, fruits and other plant foods to ensure adequate intake of vitamins and minerals. Since tumor cells have a high capacity for glucose uptake and metabolism by glycolysis, it is recommended to limit the intake of sugar, especially refined sugar. Timely Medical Nutritional Therapy Patients with malignant tumors are recommended to use enteral and parenteral nutritional therapy in a timely manner during the treatment and recovery period if the target intake cannot be met even after dietary guidance.