As a sample , based on the SSS technique, agroclimatolog y demonstration for the turning planting between tobacco and rice was done in Huichang County of Jiangxi Province. The method is described. According to the results of climat e demonstration, several suggestions, which have been adopted by the local gover nment, are put forward for the conversion from single/double-crop rice to the t u rning planting between tobacco and rice in different microclimate areas in Huich ang County.