If breast cancer patients are not allergic to seafood and do not have gout, they can eat seafood in moderation during chemotherapy for cold and flu, but in moderation. During chemotherapy and cold, breast cancer patients may have decreased appetite, which may lead to nutritional imbalance, if they are not allergic to seafood, they can eat seafood in moderation. If you are not allergic to seafood, you can eat seafood in moderation. Seafood is rich in high-quality protein, and eating it in moderation can replenish nutrients and improve immunity, which is conducive to recovery. If you have cold symptoms during chemotherapy, you should consult a doctor in time and standardize the treatment under the guidance of a physician, so as not to delay the condition. In addition, breast cancer patients can usually choose fish, lean meat, eggs, milk and other protein-rich foods, and can appropriately increase some fungal foods, such as shiitake mushrooms, mushrooms and so on. Also eat more fresh vegetables and fruits. A nutritionally balanced diet structure is conducive to improving the body’s immunity.