Men with a large hard lump growing at the root of the hair follicle pain may be caused by folliculitis, sebaceous cysts, boils and other diseases, you can take general treatment, medication, surgical treatment and other ways to improve. 1. Folliculitis: For folliculitis caused by a large hard lump of pain at the root of the male hair follicle, you need to pay attention to keep the local clean and avoid infecting others. If the bacterial infection is caused, the patient can follow the doctor’s instructions for external use of fusidic acid cream, clindamycin gel and other antibiotic drugs, with bactericidal effect. If it is caused by fungal infection, you can use ketoconazole cream, terbinafine cream and other antifungal drugs, with antibacterial effect. 2. Sebaceous cysts: For sebaceous cysts caused by men’s hair follicles grow a large hard lump of pain, daily need to pay attention to personal hygiene, light diet. Patients with sebaceous cysts usually need to undergo surgical excision. 3. Boils: For boils caused by male hair follicles with a large hard lump at the root of the pain, daily need to take a shower, pay attention to the local skin dry and clean. Patients can follow the doctor’s instructions to use ichthyol ointment, tincture of iodine and other drugs, with anti-inflammatory effect. There are many reasons for the pain of a large hard lump at the root of the hair follicle in men, and it is recommended that the patient go to the hospital for treatment after clarifying the cause of the disease.