With the development of our national economy, the scale of investment increased gradually at the business. The characteristics of the introduction of FDI scale of 19992013 in Liaoning province were summarized, to evaluate the carbon emissions from 1999 to 2013 in Liaoning province. Correlation between exploring the introduction of Liaoning province FDI scale and carbon emissions was studied, and the econometric methods was used. Through the ADF unit root test, cointegration test, the Grainger causality test, and generalized impulse response function method, the relationship between the identities of both was established, and a detailed analysis was made, the relevant reduction of Liaoning province carbon emission was put forward to propose according to the empirical conclusion.