In recent 15 years, 2 large-scale collapses happened near Feiyun waterfall scenic spot, the volume of fallen rocks are accumulated to 450m3, rolling to the scenic path. A dangerouss rock mass and a dangerous rock belt were found by investigation. This paper gives a brief introduction to the geological features of the collapse in this scenic spot. The preliminary discussion is made on the causes of geological disasters and the natural development trend, the stability of dangerous rock mass(belt) is calculated, analyzed and evaluated, and the possibly-used treatment methods are compared and analyzed. In order to protect landscape resources to the greatest extent, avoiding treatment measures are selected, and the calculation on this treatment scheme are illustrated.