The fever caused by milk blockage may be due to acute mastitis, blocked milk ducts, etc. Pregnant women can use medication, hot compresses on the breasts, massage and other methods to solve the problem of milk blockage, so as to achieve the purpose of fever. 1. Acute mastitis: patients often have breast redness, swelling and pain, usually follow the doctor’s instructions to use antibiotic drugs for treatment, such as cefixime, azithromycin, etc., it is recommended that you do not breastfeed during the period of use. 2. blocked milk ducts: mainly due to improper feeding, you can first massage the breast clockwise, you can also localized hot compresses, if the milk ducts are clear, the fever will disappear. During the period of milk blockage, the milk should be sucked out actively, so as to reduce the chance of aggravation of infection. If abscess has been formed, on the basis of ultrasound clear diagnosis, the abscess will be cut in time, so as to speed up the control of infection, and the pain, fever and other symptoms will disappear naturally. If the patient’s fever caused by milk blockage can not be reduced after the above methods, it is recommended to consult a doctor in time, under the guidance of the doctor, improve the relevant examination, clarify the cause of the disease, and symptomatic treatment.