20世纪80年代中国的经济改革引发了大规模的人口流动，这固然与改革开放所推动的经济发展有直接的关系，也与陆续出台的具体的体制改革措施有关，例如，过去曾经多年起作用的“粮票”，由于联产承包制的实行和由此导致的粮食产量的大幅度提高而被废除了；再如，90年代以来，户 In the 1980s, China’s economic reforms triggered a large-scale population flow. Although this was directly related to the economic development promoted by the reform and opening up policy, it was also related to the concrete institutional reform measures introduced in succession. For example, the past years have worked Of the “food stamps” were abolished as a result of the implementation of the contract system and the resulting substantial increase in grain output. As another example, since the 1990s,