The characteristics of temperature and precipitation changes in the region were analyzed by using daily air temperature and precipitation data of five weather stations on the north slope of eastern Tianshan mountain in 1961-2016,and linear trend analysis,the cumulative departure,moving average and Mann- Kendall mutation method.The results showed that in the recent 56 years,the annual,seasonal,monthly average temperatures on north slope of eastern Tianshan were on the rise,and warming rate was 0.34℃/decade;warming is the most significant in autumn among the four seasons,and warming trend in February was the most obvious;on the spatial distribution,low values center was found in Barkol and the values increased gradually on both side.There was a mutation from low to high temperature in 1993.The annual,seasonal precipitation presented significantly increasing trend,and the annual rainfall increase rate was 13.02 mm/decade.Summer humidifying was the most significant.On the space distribution,big value center was observed in Mulei and the value reduced gradually on both sides.There was a mutation from less to more rainfall in 1992.There was a significant trend of warming and humidification on the northern slope of eastern Tianshan Mountain in nearly 56 years.