There is a small hard lump above the scrotum, consider the epidermoid cyst, folliculitis, dermatofibroma and other factors, according to the clinical manifestations of specific analysis. 1. Epidermoid cysts: one of the most common skin cysts, lesions for the well-defined nodules, manifested in the scrotum above the phenomenon of small hard lumps, feasible surgical resection treatment. 2. Folliculitis: folliculitis is a purulent inflammation limited to the mouth of the hair follicle. It occurs in the head, face, neck, buttocks and vulva. The lesions begin as red follicular papules, pustules appear in the center within a few days, surrounded by a red halo, the pustules dry up or rupture after the formation of yellow scabs, scabs fall off generally do not leave a scar. 3. Dermatofibroma: This is a benign disease in which hard nodules appear as the main manifestation of the skin, which may be caused by fibroblasts or histiocyte hyperplasia, and may also be related to insect bites and trauma, so there will be a small hard lump in the scrotum. There may be other reasons for a small hard lump above the scrotum, it is recommended to consult a doctor in time to clarify the cause of the disease, under the guidance of the doctor for treatment.