The profile averaged snow density in the high alpine area of Urumqi river basin is 140 kg/m³ in the period of the formation of deposit snow during early winter (Oct.), It grows to 190-21O kg/m³ in the early period of stable snow cover during the middle winter (Nov.-Feb.) and reduces to 175kg/m³ in the late period of stable snow cover during late winter and early spring (Mar.-Apr.).