After gastrointestinal stromal tumor surgery, it is recommended to eat light and digestible food rich in high-quality protein and avoid spicy food. Corn is rich in protein, vitamins, cellulose and other nutrients. Has the effects of enhancing human body resistance, invigorating spleen and regulating stomach, preventing cardiovascular diseases, lowering blood sugar and relaxing bowels, and resisting aging. It can be eaten in moderation, and rh2 can be taken after operation to improve immunity.