A pus plug in a fire boil can be extracted with tweezers and requires aseptic care. Fire boils are acute suppurative infections of hair follicles and deep tissues, which can later develop pus plugs. In order to facilitate this, the pus plug needs to be put out promptly. You can disinfect the surface of the fire boil with iodine povidone, incise the skin, and then apply an anti-inflammatory treatment of erythromycin ointment or mupirocin ointment to the surface of the wound after pulling out the pus with sterile tweezers. After pulling out the pus plug from the fire boil, it is necessary to change the medicine regularly with iodophor disinfection, and the local redness, swelling and pain are obvious, you can take antibiotic medication such as amoxicillin capsule under the guidance of the doctor. The appearance of fire boils, you should go to the hospital in time for diagnosis and treatment, do not squeeze and medication, so as not to cause infection and jeopardize the health of the body.