Postpartum fever to 38 degrees should be timely cooling, physical cooling such as wiping, and at the same time recommended timely to the hospital for examination, clear causes under the guidance of the doctor medication. If the postpartum fever is a body temperature of 38 degrees Celsius, consider a puerperal infection, postpartum due to the abdominal cavity of the uterus and vagina, a lot of necrotic material, placenta stagnation is not completely absorbed, in the process of absorption will be absorbed heat, that is to say, the human body absorbs the necrotic material after the body temperature of the fever caused by the absorption of the necrotic material. If there is infection, especially in the puerperium, there is infection of the endometrium or vagina, and the inflammation is not eliminated, fever will also appear. If you are breastfeeding and have breast tenderness, mastitis is also a possibility. Generally speaking, if there is no lower abdominal pain, no lower abdominal discharge, or no breast distension in postpartum fever, it is considered to be absorbed fever. At this time can not be dealt with, drink plenty of water, light diet, first observe the condition, if the fever is still not relieved for more than 3 days, it is recommended to go to the hospital to check the blood routine, abdominal ultrasound, breast ultrasound in order to rule out there are other causes of fever. Drink plenty of fluids and eat fluids or semi-fluids when you have a fever, but do not take fever-reducing medicines on your own, and use medicines under the guidance of a doctor in the hospital. If you have any other questions, please consult your doctor.