The article examines economic growth in East China from 2004 to 2018, focusing on factors like human capital, innovation, and energy. It finds that energy and physical capital are crucial for primary and secondary industries, with Shanghai and Jiangsu relying heavily on these factors. Jiangsu shows more innovation-driven growth, aligning with the "new normal" economic trend. However, overall, there is limited technological progress in East China, except for Shanghai, Jiangsu, and Zhejiang. The region's economic growth may slow due to input constraints and lack of technological advancement.