A meatball growing on the leg without pain or itching may be caused by sebaceous cysts, lipomas, common warts, etc., which can be treated with medication, physical therapy and surgery. 1. Sebaceous cysts: If the sebaceous gland excretory ducts are blocked, sebaceous cysts will be formed after the secretions are retained locally, and the symptoms mentioned above may appear. If you want to remove it, you can do cystectomy, which can directly remove the sebaceous cyst. 2. Lipoma: the onset and genetics and fat metabolism abnormalities have a certain relationship, the body fat cells appear abnormal proliferation will form lipoma, resulting in the growth of a ball of flesh on the leg does not hurt and does not itch. If there is no symptom, you can observe it for a while, and if you feel that it affects your beauty, you can do lipoma excision surgery to treat it. 3. common warts: common warts are benign growths caused by human papilloma virus infection, which can lead to the formation of pimples on the skin, painless and itchy. You can apply salicylic acid ointment, retinoic acid cream and other medications as prescribed by your doctor, and you can also choose cryotherapy or laser treatment to be able to remove common warts. A meatball on the leg does not hurt and itch can also be seen in dermatofibroma, molluscum contagiosum, etc. Patients can go to the hospital dermatology department to find out the cause of the disease, and choose the method of treatment under the guidance of the doctor, to avoid blind use of medication.