The hard lump of the boil can be eliminated by choosing a strong antibiotic full course of treatment, which can be administered quietly with sodium penicillin injection or cefothiamidine injection. If the above two drugs are allergic, you can change to clindamycin phosphate injection, or levofloxacin hydrochloride injection for not less than 7 days, and treatment for 10-12 days can achieve good anti-inflammatory and antibacterial treatment purpose. At the same time, you can choose Dermacare lotion for daily local wet compresses, which can play the therapeutic effect of softening the hardness and dispersing the knots, drying the dampness and cooling the blood, and then apply clindamycin phosphate gel, mixed with ichthyol ointment for treatment. If the boil has become pus, it can be treated by surgical excision.