The formation of the rich bag is mainly due to 3 aspects: 1, due to the location of the rich bag, that is, the seventh cervical spinous process, the first thoracic spinous process location itself is relatively high, coupled with more fat accumulation around, it is easy to appear more obvious lumps, called rich bag. 2, it may be due to the cervical spine parts of ligaments, muscles and fascia and other soft tissue degeneration, hypertrophy, hyperplasia, resulting in a significant local 3, due to the continuous fatigue of the cervical vertebrae, such as frequent low head ambulation, reading books, newspapers, reading cell phones, computers or sleeping with a pillow too high, resulting in the physiological curvature of the cervical vertebrae from flexion to straightening or anti-arch, it is easy to lead to a relatively high local state, so the height of the rich bag position also appears. .