The head grows a lump of flesh without pain or itching is mostly considered sebaceous adenoma, intradermal nevus, common warts and other diseases, need to clarify the disease, reasonable choice of medication, physical therapy, surgical treatment and other ways to treat. 1. Sebaceous adenoma: after the diagnosis of this disease, mainly through the way of surgery, remove the tumor, the effect is better. 2. Intradermal nevus: after the diagnosis of this disease, generally do not need treatment, if there is a tendency of malignant changes, such as the nevus of the size of the sudden increase in size, black color, surface swelling, ulcers, etc., it should be excised as soon as possible, and at the same time, the pathology of the examination. 3. common warts: warts are small, can be used externally exfoliate agent treatment, such as Vitamin A ointment, salicylic acid, etc., to loosen the keratin, remove warts; or intradermal injection of interferon and other drugs; can also be frozen, laser and other physical therapy, remove warts; if necessary, surgical excision treatment. It is recommended that patients go to a regular hospital for a clear diagnosis, under the guidance of the doctor, reasonable treatment, to avoid delaying the condition.