Raised flesh bumps on shoulders may be caused by lipoma, sebaceous cyst, keloid and other diseases, which can be treated with medication or surgery. 1. Lipoma: abnormal metabolism of adipose tissue, heredity, inflammation stimulation of connective tissue degeneration is an important cause of lipoma, manifested as lipoid tumor, preferred in limbs and trunk, with clear boundary, soft texture, pseudocystic, painless, and slow growth, which can be considered to take the method of liposuction or surgical excision for treatment. 2. Sebaceous cysts: Sebaceous cysts are formed after being stimulated by inflammation, which leads to the blockage of sebaceous gland openings, and the sebum cannot be discharged to block the cysts formed in the epidermis. Sebaceous cysts can be removed under the guidance of a doctor. 3. Keloid: usually occurs after trauma caused by abnormal proliferation of fibrous tissue, can be injected locally with hormonal drugs such as trimethoprim, or through laser, surgical excision and other methods. Patients with raised bumps on the shoulders need to go to the hospital in time to clarify the cause of the disease under the guidance of the doctor after treatment. Drugs need to be used in accordance with medical advice.