This study is based on the investigation and analysis of natural and economic conditions and the extent of environmental damages and land use in Lu'an mining area. According to the actual conditions of Lu'an mining area and taking the restoration of original capacity of destroyed land as the starting point

six ecological restoration models suitable to Lu'an mining area are put forward in order to restore and improve the ecological environment. The models are the ecological restoration model of stable subsidence area

the ecological restoration model of dynamic subsidence area

the ecological restoration model of coal gangue field

the ecological restoration model of disused land

the ecological restoration model of environmental pollution region

and the ecological restoration model of homestead service. Each ecological restoration model contains several sub-models. Results from survey indicate that the system of ecological models is scientific and reasonable. Moreover

the high economic and ecological benefits have been obtained in recent years.