Generally speaking, it refers to groups such as civil servants, employees in the establishment of state-owned enterprises or family members of state management who represent state power or rely on state-owned assets to obtain benefits. The advantages within the system are more manifested in stable work, generous welfare and social dominance; Correspondingly, more flexibility is manifested outside the system, which is accompanied by risks, low welfare and weak influence on society or units. A collection of public servants who can rely on government power to obtain stable legal or illegal excess benefits. China has more than 7 million civil servants and more than 30 million employees in public institutions. In terms of quantity, "within the system" is definitely a minority.