National high-tech zone is an important engine and carrier of China’s economic growth，industrial optimization and innovative development. This report systematically and comprehensively analyzes the development level of national high-tech zones in the Yangtze River Delta from several dimensions，such as output value scale，asset income，innovation ability，innovation input and innovation output，and ranks the relevant parks accordingly. This report can provide a useful reference for the promotion of competitiveness and sustainable development of national high-tech zones in the Yangtze River Delta.