Boils are caused by sebaceous gland secretion pore blockage, large amount of sweating causing damage to individual hair follicles, caused by Staphylococcus aureus infection, with local redness, swelling, heat, pain, and white pus head in the middle as the main symptoms, take cephalosporin antibiotics and rub erythromycin ointment on the affected area, usually 3-5 days with medication can be cured. If you squeeze, do not pay attention to hygiene, scratch the affected area to make the secondary infection, it will make the boil swell to form an abscess, then only oral and external anti-inflammatory drugs are not effective, it is recommended to go to the hospital to enter antibiotics intravenously, serious cases also need to incision and drainage, regular change of medication, this situation will take a longer time to heal, about 10-15 days. Choose loose and breathable clothes, pay attention to skin cleanliness, eat less spicy and fried food, and avoid prolonged sitting to prevent boils from appearing.