migration policy
2.The econometric results show that (1) The urban development in China have a trend of convergence, the larger the size of a city, the lower the population growth rate; (2) The inertia of migration encourages urban population growth; (3) The opening-up policy significantly favors urban development, and such effect is particularly significant in relatively backward inland areas; (4) The infrastructure development has a significant impact on the speed of urban population growth.
3.This article recount the status of the Nanjing Islam, introduce some probably that Islam stream into the Nanjing before Yuan Dynasty, list various situations of the continual migration of Nanjing’s Muslim in the earlier Ming, research on Islamic policy to carry out in Nanjing first and the influence of this implement to the Nanjing’s Islam, make the classification to the mosque and relevant place of Nanjing, make enumerate to the survive cultural relic of Jingjuesi.

