Abstract: After the house dismantling,the water quality in Wulingyuan scenic spot has been monitored.The results show that due to the reception areas,the scattered households,and the toikts in the scenic spot,the discharge capacity after dismantling has not decreased obviously,so the water quality drops.Because of the limited capacity of the water body in the scenic spot,it is impossible to hod the outsice pollution.When the Sewage Treatment Plant of Zhangjiajie National Forest Park is built up,the surface water quality in the scenic spot will be improved to some extent but it is difficult to resume the national standard-one grade level.Therefore,the reception areas and the scattered households in the
scenic spot must be moved outside,and the ecological-type toilets must be applied.

Key words: Wulingyuan , Scenic Spot；water quality；capacity of water body