Research on healthy development of urbanization

From the concept and connotation of urbanization,the author suggests that urbanization should include population urbanization,economic urbanization,land urbanization and social urbanization.After analyzing the land urbanization trend from 1981 to 2004,the correlation analysis among land urbanization,population urbanization and economic urbanization was conducted.Finally,based on partial correlation analysis the author found that economic urbanization is the most fundamental factor to land urbanization.