The scalp long painless meat bumps may be epidermal cysts, lipomas and common warts and other diseases. 1. Epidermoid cysts: the formation of this disease is mostly related to embryonic ectopic, skin damage and other factors, the disease is most common in the head, face, upper trunk and other places, the skin lesions will appear dome-shaped elevated skin mass. 2. Lipoma: the cause of this disease is considered to be “lipoma tumorigenic factor” active, heredity and other factors, the patient’s any part of the fatty tissue may appear lumps, lumps. 3. Common warts: Common warts can be caused by factors such as human papillomavirus, trauma, and lowered immune system. Firm pimples and rough surfaces may appear on any part of the patient’s body. The causes of painless and itchy flesh bumps on the scalp are not unique, and patients are advised to seek medical examination to clarify the cause.