在工业化和现代化的过程中，农村人口向城市转移，是一个世界性的问题，中国也不例外。随着中国改革开放的深入和城市化进程的加快，农村人口大量涌入城市。据2002年2月 20日中央电视台报道，截止2001年底，全国约有7800万农村劳动力进入城市，占全国劳动力总数的16．39％。这 In the process of industrialization and modernization, the transfer of rural population to the cities is a worldwide problem, and China is no exception. With the deepening of China’s reform and opening up and the progress of urbanization, a large influx of rural population into cities. According to CCTV on February 20, 2002, by the end of 2001, about 78 million rural laborers had entered the city, accounting for 16.39% of the total labor force nationwide. This