Abstract: The paper analyses the allometric growth of urban-rural population of Henan province since 1971 and the urbanization process is divided into three stages.The first stage,from 1971 to 1976, is isometric growth,during which urbanization bogged down;The second stage,from 1977 to 1993, is positive allometric growth,during which the urbanization course is normalized and the level of urbanization of Henan ascended sustainedly;The third stage,from 1994 up to now, is negative allometric growth,during which the urba...