Abstract:A comprehensive evaluation on 8 fruit characteristics in 34 Guangxi longan varieties was conducted with AHP-FUZZY methods.The varieties were also classified according to the two-step cluster methods.The results showed that the varieties of Guiming NO.1,Zhongyuan,Xihe cuixiang,Shixia,Guoqing NO.1,Guixiang,liangqing NO.1,Liangqing NO.2 and Maoshou are best.The 15 varieties of Zhongqiu NO.1,Guobao,Guiyuan 0503,Jiayuan NO.1,Liangqing NO.3,Zaoshu guangyan,Guilong zao NO.1,Zhongqiu(Beiliu),Guiyuan 0506,Juwu,etc.are better.And Guiyuan 0504,Guiyuan 0502,Bingtang guo,Ruanzhi dawuyuan,Chibai lu,Dawu yuan 8213,Fulong,Daguang yan,Youmian shixia,Guiyuan 0505 are not satisfied.