The section of Yongsihhe river in Qishan county is affected by heavysoil and water loss and destroyed by human activity.The both side banks ofthe river are in a seriours dangerous by the destroy. In addition

the realeasfloodwater channel of Fengjiashan Reservoir in Wagangzhai irrigated area oethe upper reaches of the river releases excess water during winter

spring

and summer irrigation times these years

the released water inundates thefland around the river sides and erodes the banks

these result in the reduceof farmland area.The local residents vigorously claim that the govermentconcerned should take steps to stop this condition

but up to now there istno any response.Now

the riverbed expands continuously

it greatly threatenohe life

property and produce of the local mass.In this paper

we appealnce again that the department concerned should immeadiatly pay attentionto the questions and help the people to solve the problems.