Loach can be eaten, especially for patients with low white blood cells after chemotherapy. Loach soup has a certain whitening effect. Cancer patients should pay attention to reasonable nutrition in their daily lives and try to eat as diverse a variety of foods as possible. Eat more high-protein, multi-vitamin, low-animal fat, easily digestible foods and fresh fruits and vegetables, and avoid eating old, spoiled or irritating foods. , Eat less smoked, grilled, pickled, fried, and overly salty foods, and use a mix of coarse and fine staple food to ensure nutritional balance.