1, Fuguibao is mainly formed by fat accumulation in the posterior neck, not a solid mass, but mainly by the anatomical structure of the posterior neck. If there is a slight increase in fat, there will be a lump protruding outward.

2. Generally, we can reduce body fat through exercise and dieting to make the lump disappear, or we can remove excess fat through plastic surgery to achieve the purpose of disappearance. The above health science knowledge is for reference only. The specific situation needs to be examined in a regular hospital and judged by a professional doctor. Please don't diagnose and treat yourself.