Diet should be light, eat more vegetables, fruits and bean products, and fully absorb protein, vitamin B and vitamin C, etc. Choose digestible food, enough carbohydrates and protein, and enough vegetables and fruits. Avoid eating alcohol, seafood and other foods that can easily cause allergies; Avoid spicy food, smoking and drinking; A low-salt and low-fat diet. Understand how (cancerous Han Qifeng) did it.