Low fever refers to a body temperature between 37.3 and 38 degrees Celsius, and the main methods to reduce the fever during breastfeeding (milk stagnation) are timely emptying of breasts, physical cooling and so on. 1. Empty the breast in time: low fever caused by milk stagnation is mainly caused by the blockage of the milk ducts, and most of the body temperature can be reduced after emptying the milk in time. You can increase the frequency of breastfeeding and rely on the baby to suckle to clear the mammary ducts; you can also use a breast pump to empty the breast milk; local massage can also empty the breast milk. 2. Physical hypothermia: low fever is often used physical hypothermia. Wet towel cold compress head, water evaporation can reduce the temperature; drink more warm water, promote the body metabolism cooling; warm bath can make capillary expansion, promote blood circulation, reduce body temperature. Breastfeeding accumulation of milk leads to fever, it is recommended to consult a doctor in time. The above medication or massage operation should be given under the guidance of a doctor.