Sitting for a long time is not harmful, but it does increase the risk of some adverse health factors and diseases, usually including obesity, spinal disorders, lower limb edema, etc., the elderly can also be seen in muscle atrophy and lower extremity deep vein thrombosis. Sedentary people generally lack of exercise, the body’s energy consumption is reduced and lead to fat accumulation of obesity; when in an improper sitting position, long-term stooping, etc., more likely to spine disease, common cervical spondylosis and lumbar spondylosis; prolonged sitting blood will be gathered to the low-hanging parts of the body, there may be a mild edema of the legs or feet performance. Elderly people’s muscle fibers will gradually atrophy due to disuse after prolonged sitting, and blood circulation will become slow when sitting for a long time, increasing the risk of thrombosis. Sedentary is a bad habit that needs to be paid attention to and corrected in daily life, so as not to form some unfavorable effects on the body.