Women who are breastfeeding can choose to use cold and flu granules carefully according to medical advice, cold and flu granules are a combination of Chinese and Western medicines, with the effect of clearing heat and detoxifying, relieving heat and analgesia. The main ingredients of cold and flu granules are trigonella bitter, ganberry, marigold silver plate, peppermint oil, wild chrysanthemum, chlorphenamine maleate, caffeine, acetaminophen, etc. It can treat headache, fever, nasal congestion, runny nose, sore throat and other symptoms caused by cold and flu. For women who are breastfeeding, if there are no obvious symptoms of respiratory infection, it is not recommended to use cold and flu granules, because caffeine and chlorpheniramine maleate in cold and flu granules can be passed to the breast child through breast milk, which will have some effect on the development of the breast child. If the mother has obvious symptoms such as chills, fever, sore throat, runny nose and nasal congestion, she can take cold and flu granules under the guidance of her doctor. The mother should suspend breast-feeding for at least 4 hours after taking the medicine to avoid damage to liver and kidney function after the medicine is passed to the baby through the breast milk, and it may also lead to a decrease in white blood cells.