The substance of eco-province, eco-city and eco-county construction is raising the ability of a area^ sustainable development, mainly including three aspects： eco-economy, eco-environment and eco-society. The standards prescribed in this article basically reflect the constructing status and development potential in these respects. The standard of eco province is composed of 5 basic conditions and 22 examination indexes in 2 grades; Standard of eco-city is composed of 5 basic conditions and 30 examination indexes in 2 grades; Standard of eco-county is composed of 5 basic conditions and 38 examination indexes in 2 grades. They are applicable to the examination standards for eco-province, -cty and -county constructions on different scales and in different regions and can also be used as the guide and target in the construction of eco-provinces, -citise and-counties.