The fever of mastitis during breastfeeding should be targeted according to the temperature of the fever, as well as the active treatment of mastitis. Breastfeeding mastitis fever, you need to measure the temperature of the fever first. If the temperature exceeds 38.5 degrees, you will need to take fever-reducing medications, such as ibuprofen or acetaminophen, as prescribed by your doctor. If the temperature does not exceed 38.5 degrees, you can not take fever-reducing drugs for the time being, but physical fever reduction, such as hot towels to wipe the forehead, armpits, palms, feet and other parts. And patients should also go to the hospital to do blood routine, C-reactive protein, etc. to determine whether there is inflammation. If inflammation exists, antibiotic medication is needed, such as penicillin, cefixime and so on. If the acute mastitis is more serious and causes breast abscess, incision and drainage surgery is needed. So it is important to seek medical advice and follow the doctor’s advice.