By means of the climate compilation data from 1971 to 2000 at meteorol ogical stations, the natural geography and ecological environmental conditions o f fourmajorhuaimedicine (Chinese jam, rehmannia glutinosa, rehmannia rou t, c hrysanthemum flower) are investigated. The agroclimatic resources, suc h as light , heat and water are analyzed and evaluated. Comparing with the climate data and ecological environment in planting areas around, the results show that it supp lies a superexcellent growing environment for famous quality of fourmajorhua i medicine in Jiaozuo area. Finally, some corresponding measures are given to the sustainable development of fourmajorhuai medicine production.