Fiery boils are generally referred to as boils. A boil on the penis is caused by bad living habits, causing infection by pathogenic bacteria such as Staphylococcus aureus. It is recommended that the patient go to the hospital in time, and if you need to use drugs, you need to use them under the guidance of the doctor. A boil on the penis may be a localized acute purulent lesion caused by daily inattention to personal hygiene, heavy sweating, and prolonged alcohol consumption, resulting in infection by pathogenic bacteria such as Staphylococcus aureus, Streptococcus aureus, and Pseudomonas aeruginosa. Boils may appear as small red, swollen, hot and painful hard nodules, which then gradually swell and become conical in shape and elevated. When boils appear, apply hot compresses with towels, prohibit self-squeezing and picking, and keep the skin clean and dry. Patients without pus can use 20% ichthyol ointment, 3% iodine tincture and other topical medications to apply to the affected area for treatment. You can also take oral penicillin, cephalosporin and other antibiotics for treatment. It is recommended that patients go to the hospital in time, and if you need to use drugs, you need to use them under the guidance of a doctor.