This paper researches into the agroclimatological field in Jiangxi province by components analysis, cluster analysis and multifactor integrated evaluation. Three components provide 81.82% informations on the agroclimatological field. The first component shows the heat condition, the second the illumination condition, and the third the water content. Accordingly the agroclimatological resources in Jiangxi province can be divided into six areas and fifteen types. The mountain agroclimatological resources can be divided into three levels.