1. Avoid foods containing carcinogenic factors. Pickled products, moldy food, barbecue and smoked food, food additives, crops contaminated by pesticide poisoning.

2. Adjust the diet structure, eat nutritious food, and ensure a certain amount of fresh vegetables and whole grain food every day.

3. Ingestion of mung beans, watermelons, red beans, wax gourd and other foods conducive to detoxification and promote the excretion of poisons.

4. Cancer patients should adopt a diet with high protein, high vitamins and high energy. Dietary protein can be obtained from animal foods and beans, such as fish, eggs, milk and bean products. High-vitamin foods can eat more fresh vegetables and fruits, such as apples, oranges and various green leafy vegetables.