Soybean-sized bumps in earlobes may be sebaceous cysts, boils, scarring from ear piercing, etc. You can rub ichthyol ointment, mupirocin ointment, and cumquat cream ointment. 1. Sebaceous cysts: Soybean-sized hard lumps in the earlobe may be sebaceous cysts, triggered by exuberant secretion of sebaceous glands. When infected, you can rub ichthyol ointment to slowly relieve the hard lumps, and then have surgery after the inflammation subsides. 2. Boils: Soybean-sized hard bumps in the earlobe may be boils, which are acute suppurative inflammation of individual hair follicles or sebaceous glands of the skin caused by bacterial infections, and can be eliminated by applying antibiotic ointment such as mupirocin ointment externally. 3. ear piercing scar: earlobes have soybean-sized hard lumps may have pierced the ear after the auricle around the local formation of scarring, you can try to apply local cumulus cream ointment, inhibit the proliferation of collagen fibers. Earlobes have soybean-sized hard bumps symptoms have not been able to relieve, or accompanied by other symptoms, you should go to the regular hospital in a timely manner, the use of medication need to be guided by a doctor.