Abstract: This paper introduces constellation picture cluster analysis apply tea tree variety area test ration take method that appraise, and national tea tree variety area experimental Henan some test data carry on constellation picture cluster's analysis to one year, the result shows : Its analysis result and routine analytical method are unanimous basically, say star flat picture cluster analytic approach apply tea tree variety area is it it judges to be feasible synthetically to make to result of the test in testing, and can make quantitative appraisal and analyse on the comprehensive properties of the tea tree , have remedied the simplicity of the routine analytical method.