Breast cancer has no contraindication to fruits and can be chosen according to the patient’s taste; during the treatment of the disease, reasonable diet should be taken in order to improve the treatment effect. Fruits are rich in water, vitamins, dietary fiber and many kinds of minerals, and their nutritional value is relatively high. Breast cancer patients can supplement many kinds of nutrients with fruits, which is beneficial to their health, and it is recommended to choose fruits according to patients’ preferences, such as apples, bananas, oranges, kiwis, dragon fruits, cantaloupes, cherries and so on. Breast cancer should eat more fresh fruits and vegetables, and ensure sufficient protein intake, and consume some eggs, meat, fish and milk, which can ensure the normal function of the body and facilitate the recovery of the disease. Breast cancer should receive standardized treatment in time to reduce the adverse effects of the disease on the body, more dietary health knowledge, should consult a nutritionist and physician guidance.