The Yangtze River Delta(referring to the YRD hereafter) region has been developed very early,being the birthplace of Wu-Yue Culture and national industry of China, and has become the important core area of economic society of China for a long period. During the latest 20 years after the reform and opening up and along with the rapid The Yangtze River Delta (referring to the YRD hereafter) region has been developed very early, being the birthplace of Wu-Yue Culture and nationalindustry China, and has become the important core area of ​​an economic society of China for a long period. the latest 20 years after the reform and opening up and along with the rapid