Abstract: The technology of site-specific fertilization in rice can not only decrease obviously the fertilization amounts, improve effectively the rice yield, quality and comprehensive productivity but also can protect environment and reduce pollution. Rice is the most important food crop in Jiangsu province and it decide directly the food safety. It is one of most important ways of reaching a new step for rice farming in Jiangsu province to quicken demonstration and spread the technology of site-specific fertilization in rice according to the soil, seed and seeding, to advance the development of precision, economy and friendly to environment in farming, which has an important significance to strengthen comprehensive productivity of food, to guarantee food and zoology safety, to realize the harmony among the high yield, quality, zoology and safety and to promote the construction of socialism new country. There have made great progress in the technology and demonstration of site-specific fertilization in rice in Jiangsu province, but there still exited some questions. Resolving the questions can enlarge demonstration and bring into play the science and technology for rice planting.