A healthy diet can maintain normal body weight, enhance the body’s ability to resist cancer, maintain normal physical strength, and promote the recovery of body tissues affected by cancer. For cancer patients, a healthy diet can help them better tolerate the side effects of various anti-tumor treatments, actively accept various anti-tumor treatments, thereby also improving their chances of survival. The basic principle of diet for cancer patients is to consume foods rich in low-fat carbohydrates while ensuring adequate protein intake.