Deep back depression, may be long-term sitting posture is not correct or normal physiological curvature and other factors, may also be due to osteophytes or lumbar trauma and other pathological factors. Normal human waist, the spine is forward curvature, part of the population may also have the back of the normal depression curvature, is generally a normal physiological phenomenon without special treatment. If it is caused by long-term sitting and standing posture, it may also be caused by the impact of the back of the waist. Osteoporosis can easily lead to intervertebral thinning and narrowing, or even herniated discs, which may also lead to the depression of the lower back, it is recommended that the patient take appropriate bed rest, conservative treatment, and if necessary, can be used to alleviate the hot compresses, massage and other methods. Lumbar trauma, some patients have done lumbar spine surgery, the skin in the place may appear contracture, the back of the local will also appear concave. Other conditions can also lead to deep depression in the lower back, it is recommended to consult a doctor in time to clarify the cause of the disease, under the guidance of the doctor to carry out the appropriate treatment.