During the past，the development zones of Jiangsu have performed a tremendous part in our open economy. Meanwhile，there are still some challenges upon them. Since the superiority of investment-attracting policy is no longer that good，some development zones become similar. And creativity has not surpassed those traditional factor advantages. Due to our misguiding industrial policies，our development zones are more like production-gathering zones，which are not suitable for higher factors. Jiangsu province made some active exploration on development zones，and even made the law of its development zones. Based on this，this article gives several suggestions on the reform and development of those zones.