Pregnant women have fever on the soles of their feet every night which may be caused by accelerated metabolism, too much wrapping of clothing, autonomic disorders, skin infections and other reasons. 1. Accelerated metabolism: with the increase of pregnancy weeks, the metabolic rate will accelerate, body temperature will have a certain degree of increase, every night there is the phenomenon of the soles of the feet. 2. Too much wrapping of clothing: the body is weaker after pregnancy, may be more afraid of cold, sleep at night on the feet of too much wrapping of clothing, there may be every night on the soles of the feet of the phenomenon of fever. 3. Autonomic disorders: After pregnancy, due to changes in hormone levels in the body, may cause autonomic disorders, the body vasodilatation disorders, there will be fever on the soles of the feet every night. 4. Skin infections: After pregnancy, the skin on the soles of the feet is infected by bacteria and fungi, causing an inflammatory reaction, and if the inflammation is not removed, it will show the phenomenon of fever on the soles of the feet every night. There are many reasons for pregnant women to have fever on the soles of their feet every night, and it is recommended to consult a doctor in time if you have other uncomfortable symptoms.