Tumor shrinkage may be a sign of improvement of the condition and the effectiveness of treatment, and patients are advised to improve their living habits, adjust their diets, and exercise appropriately. For patients with tumor, if the tumor becomes smaller, it is mostly considered that the condition has improved or stabilized, which can be judged as a sign of improvement of the condition. In addition, after regular treatment, such as radiation therapy, chemotherapy, surgery, these treatments will make the tumor volume appear smaller, which can represent that the treatment measures taken by doctors have certain effects. It is recommended that patients with tumors should develop healthy living habits, ensure component rest, and avoid staying up late or overworking. In addition, patients should eat less spicy and stimulating food, such as chili peppers, onions, etc. Patients should do appropriate exercise, such as walking, jogging, etc., which is conducive to the recovery of the condition. The situation that the tumor becomes smaller is the improvement of the patient’s condition, but it can’t indicate that the patient’s tumor has been cured. It is suggested that patients should maintain a healthy life habit, follow the doctor’s instructions for treatment and review on time, and avoid smoking and drinking.