Uneven signal of the pelvic bones refers to uneven bone density, which may be related to osteoporosis and degenerative osteoarthritis. 1. Osteoporosis: common in the elderly, due to aging, bone strength will decline, bone is prone to osteoporosis, which will show uneven signal of the pelvic bones. 2. Degenerative osteoarthritis: it is a kind of joint cartilage wear and tear with age, accompanied by bone spurs around the joints, osteophytes and caused by a class of common geriatric diseases, the joint surface of the bone under the internal will have obvious uneven bone density. Normally, you can go outdoors to sunbathe more often to promote the absorption of calcium. Pay attention to rest, do not overwork. If there is any discomfort, it is recommended to go to the hospital in time.