This paper is intended to analyze commercial-residential land price evaluation through the method of standard floor-price coefficient correction.Based on evaluation of floor price and standard floor price,this paper makes a case study in stardard floor price in Changsha city and uses positive analysis and comparative analysis.Therefore,this paper proposes the specific application of standard floor-price coefficient correction in commercial-residential land price evaluation and then compares it with the current traditional sub-algorithm.It is concluded that the method of standard floor-price coefficient correction is more reasonable than the traditional sub-algorithm,and it truely reflects the stereo land price level.