Based on the climatic data of station network in China,this paper briefly describes the relationship between the empirical orthogonal function(EOF) analysis method and the adjusted EOF(AEOF) analysis method,and gives schemes of analysis effect verification.Using EOF and AEOF methods,this paper analyses the anomalous summer air temperature series at 160 stations in China during 1951—2010.Results show that the mode square fitting rate and the cumulative mode square fitting rate of the first six modes by AEOF method are higher than those by EOF method.The fitting effect of the typical fields of first three modes by AEOF method on the mode square field of anomalous summer temperature series are better than that by EOF method.Therefore,the necessity of station homogeneity adjustment is demonstrated when EOF method is used,meanwhile the better adjustment effects using AEOF method are verified in the actual analysis.