Based on the data of annual, winter and summer mean temperature in Shanghai during the period of 1873-1990, the mean landsurface air temperature series for Shanghai for the last 118 year, period are reconstructed, in which the effect of urban heat island on temperature is di-smissed by using he tempperature data from -he suburbs of Shanghai during 1955-1990. The features of temperature long-term variations in Shanghai have been analyzed, and these features are compared with those in the northern hemisphere.