When the mother has a fever of 38 degrees Celsius, you can generally breastfeed, but pay attention to the following points: first, if the fever is caused by upper respiratory tract infection, it is recommended to wear a good mask to avoid sneezing, coughing droplets lead to infant infection. Secondly, when breastfeeding the baby, you must clean your hands and localize your breasts. Thirdly, it is recommended to actively go to the hospital to do the appropriate examination to understand the causes of fever, according to the situation and then carry out the appropriate treatment, and it is also recommended to drink a lot of hot water when you have a fever. If you need to use medication, it is recommended to do so under the guidance of a doctor, so as not to affect the baby.