Hefei should thread up the theme of "the great environment,the grand construction,and development",adapt the urban space development layout of "1-4-1",and carry out the policy of urban areas helping rural areas to.

The mechanism of urban areas helping rural areas has rich content,which means setting up the long stable urban-areas-guiding-rural-areas systems for fiscal transfer,factor conveyer,industry driving and function radiation in accordance with the objective requirements of market rule and economic development law through the system of reform and innovation.

Extent effect of landscape gradient analysis of urban-rural transect;

In his practice of rescuing the country by developing industries and commerce,he made great contributions in many ways;he established a pattern of city alternating with country,built an ecology-friendly industrial structure,advocated tree-planting to protect and improve the environment.

Being one of the contemporary female writers who has a close relationship with land, Sun Huifen’s childhood experience which was spent in countryside stimulates her writing motivation and accumulates lavish writing materials for her, and it also determines her writing themes which are about the things between the city and the countryside.