Breastfeeding refers to the way babies are fed with their mother’s milk. Some studies show that babies who are breastfed develop more healthily. But to insist on breastfeeding, the mother’s body must be healthy. If the following situations occur, the mother should stop breastfeeding temporarily or completely. 1. When suffering from infectious diseases, the mother should not breastfeed when suffering from serious infectious diseases in order to prevent the infection to the baby. If the mother is suffering from hepatitis or lung disease, she must stop breastfeeding. 2.During the period of medication, when the mother is sick (such as cold, fever, etc.) and has to take medication, she should stop breastfeeding and feed again after she has recovered from the illness and stopped taking the medication. However, you should pay attention to expressing milk every day according to the feeding time, to ensure that the daily lactation is more than 3 times. Do not feed your baby any more breast milk to avoid the adverse effects of the drug ingredients on your baby. 3.When suffering from consuming diseases such as heart disease, kidney disease, diabetes, the mother can decide whether to lactate according to the doctor’s diagnosis. In general, mothers suffering from the above diseases but able to give birth, will be able to breastfeed, but pay attention to nutrition and rest, according to the physical condition of the appropriate shorten the breastfeeding time. 4.When suffering from severe nipple cracking and mastitis, mothers suffering from severe nipple cracking and mastitis should suspend breastfeeding and get timely treatment to avoid aggravating the condition. However, you can express your breast milk to feed your baby. 5, for radioactive iodine treatment As iodine can enter the breast milk and damage the function of the baby’s thyroid gland, you should temporarily stop breastfeeding and wait until the end of the course of treatment to test the level of radioactive substances in the breast milk and continue breastfeeding after reaching normal. 6. Contact with toxic chemicals or pesticides Harmful substances can poison babies through breast milk, so avoid contact with harmful substances and stay away from harmful environments during breastfeeding. If you have been exposed, you must stop breastfeeding. After exercise, lactic acid will be produced in the body during exercise, and lactic acid will be retained in the blood to make the milk tasteless and unpalatable to the baby. According to tests, this phenomenon can be produced by exercise of medium intensity or above. Therefore, the mother who is responsible for breastfeeding should only engage in some “mild” exercise, and rest for a while after the exercise before breastfeeding.