Although the global economy is undergoingprofound adjustment，most of the Southeast Asian countries still maintain a medium growing speed or even accelerate. In 2016，most of the countries maintain a medium growing speed，but even the growth rates are below the expectations. In 2017，the growth rate is higher than the previous year in most countries. In recent years，the Southeast Asian countries were committed to adjust economic development strategy，strengthen macro-economic control，implement economic transformation and structural adjustment，and speed up the domestic infrastructure construction，in order to realize the sustainable and stable economic development. The 25th Asia-Pacific Economic Cooperation（APEC）Economic Leaders' Meeting was held in Da Nang，Vietnam，Nov 11，2017. Viewing from the conference outcomes，APEC membershavereachedsome consensuson the future economic cooperation in Asia Pacific region，and also put forward a number of initiatives.