Abstract: In the era of economic globalization，in order to accelerate economic development, Taiwan authorities launched the “six new industrial planning”，and Mainland of China has put forward the “seven new industry plan”.The Strait took fostering and developing new industries as an important economic strategy to enhance industrial upgrading, open up markets and promote economic development in the future, and drew up corresponding industrial development plans.This article introduced the background and main content of ECFA.On that basis, the influence of signing ECFA on the new cross-Strait industrial cooperation and development were described from the following aspects: accelerating cross-Strait emerging industries cooperation and docking, strengthening both the international trade, improving both the investment environment and stablilizing both markets.