The rice “three controls” fertilization technology is a new type of fertilization technology with the main content of fertilizer control, seedling control, and disease control （referred to as “three controls”）. After the technology was introduced in Jiangxi, the application period of tillering fertilizer and ear-grain fertilizer was often inconsistent with the local traditional fertilization habits during the trial and demonstration process, resulting in poor weeding effect, increased production costs, and difficulty in controlling rice quality. In response to this situation, we have carried out research on key techniques and reinnovated the rice “three controls” cost-saving and efficiency-increasing technologies suitable for application in Jiangxi. Compared with traditional fertilization habits, this technology could increase rice yield by 408.0 kg/hm ², save costs by 258.0 yuan/hm², and ultimately save costs and increase efficiency by 1 287.0 yuan/hm².