Lipoma is a benign lesion, which is a mass formed by fat proliferation under the skin or inside the muscle, with a thin layer of connective tissue wrapping it up. Lipomas are small and painless and can be treated without surgery for the time being. Larger lipomas with pain or pressure symptoms that affect shoulder joint movement need to be considered for surgery. It can be removed under local anesthesia, and the wound should be routinely sent for pathology examination and stitched up after surgery. We should be worried about the possibility of hemangioma, hemangioma is relatively soft texture with hand pressure mass will disappear, after letting go of the hand mass reappeared, can be performed shoulder enhancement CT examination for clarification. Surgery is recommended to remove the hemangioma after it is clearly identified. The hemangioma may increase in size over time and may grow into the gap of the shoulder joint, thus affecting the movement of the shoulder joint.