Fire boils are boils, and it is generally not acceptable to apply ichthyol ointment to a ruptured boil. It is a disinfectant and antiseptic that is mainly used to treat boils before they burst; however, because of the irritating properties of ichthyol ointment, it should not be applied if the boil has burst. If there is pus inside the boil, the pus needs to be removed promptly, and the boil can be cleaned with sterile saline and disinfected with iodophor. If the pus discharge from the boil is more, if it is not handled properly it may easily lead to skin infection and inflammation, it is recommended to go to the hospital in time, under the guidance of the doctor to deal with it. In addition, patients who are allergic to ichthyol ointment are forbidden to use it, and skin irritation and allergic reactions may occasionally occur after using ichthyol ointment. If you need to use ichthyol ointment, it is recommended to use under the guidance of a doctor, do not use on their own.