[Objective] The study aimed at analysing the changing characteristics of meteorological elements in Mount Qomolangma Nature Reserve.[Method] Based on the ground observation data of Nyalam and Tingri station in Mount Qomolangma Nature Reserve,temperature,ground temperature,evaporation,precipitation and snow depth were analyzed.[Result] The annual average temperature of Nyalam and Tingri tended to increase since the 1960s,especially Tingri station.The annual mean ground temperature also increased since observ...