Abstract: This paper presents the remediation measures on a landslide in Lailong, a mountain near Hangzhou. The This paper analyzes the factors causing the landslide, carries out the slope stability analysis and adopts the treatment measures. The paper further analyzes the monitoring results of the slope after the remediation measures. The results show that the remediation measures are very good. The experiences from this study can also be used as a reference for landslide hazard remediation in this region.