Eat more fruits and vegetables. Vegetables should be cooked before eating, and fruits should be peeled before eating. Eat fruit without skin damage, not rot, easy to clean and disinfect.

Pay attention to eat less and eat more. If there are oral chemotherapy drugs, the interval between meal time and medication time should be at least 2 hours. You can eat some auxiliary foods that are not easy to cause nausea between meals, and you should chew slowly to avoid damaging the mucosa in front of your mouth. Rinse your mouth with disinfectant after eating.

Pay attention to food hygiene and wash fruits and vegetables. Food should be fresh, and bad food should not be eaten to avoid digestive tract infection. Before pretreatment, you should eat a diet high in protein and vitamins.