There are many reasons for frequent back pain, including lumbar disc herniation, lumbar muscle strain, osteoporosis, urinary system diseases and so on. 1. Herniated lumbar intervertebral disc: a degenerative disease of the lumbar vertebrae, which occurs in people who work in a sitting position for a long period of time. Lumbar pain can be frequent, and is often aggravated when standing or sitting, bending over, or exerting oneself, and will be relieved when lying down. 2. Lumbar muscle strain: mostly related to maintaining a labor position for a long period of time, chronic lumbar pain without any cause, the pain is aggravated when standing or twisting, and can be relieved by resting or changing the body position. 3. Osteoporosis: middle-aged and old people, especially post-menopausal women are prone to osteoporosis, which can cause widespread and persistent low back pain. 4. Urological diseases: many diseases of the urinary system can cause low back pain, such as urinary tract infection, urinary tract stones, tuberculosis, etc., until the cause is lifted, low back pain symptoms can disappear. Frequent low back pain is a common clinical condition, the causes are complex, involving a number of departments, in addition to the above reasons, may also be related to the female physiological cycle, rheumatic immune diseases, bone giant cell tumor and so on. When frequent low back pain occurs, one should go to the hospital in time to get a clear diagnosis and cause of the disease, and then make targeted treatment and therapy.