Abstract: Comrade Jiang Zemin's five investigations of Jiangxi give us deep enlightenments:(1) In the new century and at the new stage,we must inherit and develop the Jing Gang Spirit,which is the most precious spirit to create the new situation of Jiangxi;(2) To accelerate the development of Jiangxi under the market economy system,it must base itself on the resources advantage that is the material foundation to realize the growth of Jiangxi in the center part of China;(3) According to the actual conditions of Jiangxi,we should find a new way of getting rid of poverty to gain wealth which is the actual choice of realizing the common prosperity of the people in the old areas together with the whole nation;(4) To realize,develop and maintain the fundamental interests of the majority people is the basic mission of leaders at all levels.