As we all know, breast cancer is a common gynecological disease, and the treatment process of breast cancer is also very painful, especially after several times of chemotherapy and radiotherapy, and this process will have some side effects, therefore, during chemotherapy, attention should be paid to dietary regimen to restore physical fitness and enhance immunity. Diet during chemotherapy for breast cancer: 1. The diet during chemotherapy for breast cancer must be nutritious enough, increase the intake of protein and sugar appropriately, eat less high-fat and high-cholesterol food, especially to ensure the intake of protein, eat more lean pork, beef, chicken or fish, etc. 2. Eat more foods rich in anti-cancer ingredients, such as cabbage, Chinese cabbage and kale, which can prevent the induction of tumor cells by carcinogens in the body and inhibit the growth of tumor; garlic and onion contain allicin, which can play an anti-cancer role; bean curd, soy milk, soybean sprouts and other soy products are rich in phytoestrogens, which can competitively inhibit the effect of estrogen in the body and play an anti-cancer role. It is beneficial to breast cancer patients. Fresh fruits such as watermelon, kiwi, apricot, apple, pear, strawberry, etc. are rich in vitamin C and vitamin B, which have certain anti-cancer effects. Chemotherapy can often cause nausea, vomiting and other gastrointestinal reactions, so it is necessary to arrange the diet during chemotherapy for breast cancer reasonably. On the day of chemotherapy, the diet should be light and tasty; when chemotherapy is administered intravenously on an empty stomach, food should be eaten 3 hours before chemotherapy, when the food is basically digested and emptied, and dinner should be eaten later after chemotherapy to reduce the symptoms of nausea and vomiting. When taking chemotherapy drugs orally, it is better to take them half an hour after meals, when the blood concentration reaches its peak, when there is already a fasting state, the digestive tract reaction will be lighter. Chemotherapy vomiting can be held in the mouth ginger slices, for anti-vomiting will help.