Using the annually temperature data of 54 observational stations over Qinghai-Xizang Plateau(QXP) in 1960-2000,the spatial distribution and climatic anomaly characteristics of temperature over QXP are investigated.The indian ocean sea surface temperature data at the same period and SVD method are used to study the teleconnection relationship between QXP air temperature and Indian ocean sea surface temperature,and their physical mechanism are primarily discussed.The results show that the temperature is lower in the middle of QXP and its surroundings is highter,the trend of QXP air temperature ascends year by year in recent 41 years.The teleconnection relationship between QXP air temperature abnormality and Indian Ocean SST is significant,which probably have something on correlative wave train forced by Indian Ocean SST through the main coupled relationship model.