preventing conflict and creating trust between Member countries. To help promote peace in the region .Wizard powers negotiate as part of ASEAN member countries on the world stage, both economic and political side . consumers will benefit in the purchase of goods imported from ASEAN member countries in the price .A large market of ASEAN will be an opportunity to expand exports of Thai goods more .Improved collaboration, regulations and rules of the Association of Southeast Asian Nations will be in the same direction, and eliminate the exclusion measures. To facilitate trade and investment between each other .The same market integration will help attract foreign investment to come to invest in the region, including the countries more Thai, which will help create jobs and include people .Help build confidence and a good image of the country in the Association of Southeast Asian Nations, including Thai country . reducing the gaps in development among the ASEAN member countries to help mitigate the problem of migration of less developed countries .Let the people have a living and a better quality of life. Poverty will be reduced. Have access to education. With social welfare and the environment. And these suggested that ASEAN countries to benefit many.