This paper puts forward two advices: to construct investment geography, and to develop investment decision consultation industry. The former advice is based on the point that a new application science will appear accompanying the deep study of investment environment. In market economy, different investors need different investment environments, so the latter advice is based on the point that different investors need different kinds of evaluation of investment environment. Investment geography may be brought out by the combination of geography with investment science or by inner polarization of economic geography. Investment environment valuation and investment decision consultation industry can be developed by three ways: standardization management of industry, company oriented institute administration, and attestation supervision of qualification for those who are engaged in investment environment evaluation.