本主依據1990中國大區人口普查費料探討1980年代省際和省內人口遷移流動情況，1980年代以後，人口遷移方向是自內陸及邊疆省區向沿海地帶啟動。人口遷移流動較過去自由，流向都市的人口超過流向韻和鄉村的人口。遷移人口中，男多於女，務工經商是遷移的首要原因。針對改革開放政策的實施，過去嚴格的戶藉制度，已逐漸失去其功效，造成大量人口流向城市，本文對其所可能帶來的社會與經濟影響加以討論。

This paper studies the inter and intra-provincial migration patterns, major streams, the demographic characteristics of migrants and their reasons based on the 1990 100% China census. Under the government efforts of moving to market economy, .the household registration system gradually loses its function. The social and economic impacts of significant size of floating population to cities are addressed.