The necessity of using a lifting desk is actually the hazard of long-term sedentary. The main ones are: long-term sitting can lead to obesity. It is difficult for people to consume daily calories under sedentary state. It is easy to cause fat accumulation in the long-term. After obesity Sitting and working are more inconvenient, and there is also the risk of high blood pressure; sitting still for a long time will lead to poor blood circulation in the brain, resulting in insufficient blood supply to the brain, coupled with the monotony of work, it is easy to let people feel weak, depressed, and work efficiency Low; when we sit down, the weight of the whole body will press on the bottom of the spine, and the lack of movement in the shoulders and neck can easily cause frozen shoulder, cervical spondylosis, lumbar disc herniation and other diseases, and severely cause bone hyperplasia; Significantly reduced, basically sitting after eating, gastric motility is reduced, and secretion is reduced. In addition to easily causing indigestion, it can also cause loss of appetite and anorexia; prolonged sitting of sex workers can lead to decreased immunity and impaired blood circulation , Can cause gynecological diseases.