The hard bumps on your body that don’t hurt or itch can be caused by enlarged lymph nodes, common warts, lipomas, sebaceous cysts and other reasons. 1. swollen lymph nodes: hard lumps without pain and itching may be caused by swollen lymph nodes, swollen lymph nodes are mostly hard, no pressure pain, can be adhered to the surrounding tissue, difficult to push. 2. common warts: common warts may also cause hard bumps on the body without pain and itchy symptoms, warts are caused by human papilloma virus infection, usually from the pinpoint large papules gradually expand to the size of a pea, rounded or polygonal, the surface is rough, and continue to develop a papilloma-like proliferation. It can develop into several or dozens of papillomas. There is no obvious symptom, and occasionally there is pressure and pain. 3. Lipoma: hard lumps on the body without pain or itching may be lipoma, a kind of common benign soft tissue tumor, the border is relatively clear, generally can be pushed, in addition to local lumps without other symptoms. 4. Sebaceous cysts: cysts formed when sebum accumulates due to obstruction of the sebaceous gland ducts, moderately hard, movable, hard bumps will appear on the body, painless and itchy. If there are hard bumps on the body that do not hurt or itch, you should consult a doctor in time and take appropriate treatment programs.