A long lump under the earlobe may be the manifestation of certain diseases, such as keloid, sebaceous cyst, folliculitis, etc.. 1. Keloid: often seen after ear piercing or trauma, especially keloid patients, local stimulation is prone to form connective tissue hyperplasia, the appearance of varying sizes of hard knots, is the so-called keloid hyperplasia, often no special discomfort. 2. Sebaceous cysts: local infection below the earlobe, sebaceous gland duct obstruction, secretion retention, long-term blockage or repeated stimulation, easy to form varying sizes of cysts, sometimes tofu dregs of secretion overflow, touch like a hard pimple, and the adhesion of the surrounding skin, there is no obvious discomfort symptoms. 3. Folliculitis: inflammation of the hair follicles on the skin surface causes localized swelling and congestion. It is recommended to actively consult a regular hospital for a clear diagnosis and treatment of earlobe bumps.