There are several common clinical causes for boils with hard lumps: a. The local infection of the boil is more serious, and the internal inflammatory tissues such as fluid and pus can be accompanied by the formation of hard lumps at this time. Patients can clarify the nature of the local inflammatory lesions under ultrasound guidance, perform abscess incision and drainage as soon as possible to remove the local inflammatory tissues, and strengthen anti-infection treatment by using intravenous infusion of cefoperazone sodium sulbactam sodium. It can promote the absorption and receding of local hard lumps more quickly. In the process of self-repair, the inflammation of boils may be accompanied by a large amount of excessive proliferation of fibrous tissue and thus local formation of hard lumps. In this case, the patient can use hot amoxicillin pack, moxibustion strip fumigation, blood circulation and blood stasis cream external application, infrared irradiation physiotherapy, and oral bruising pill to improve local blood circulation and promote the absorption of scar fibrous tissue by itself to reduce the symptoms of local hard lumps.