Thai the unique ethnic cultural treasures which bring about unity and Personality of the nation to have ideas. To build understanding and relationship to each other. As a tool to seek knowledge, experience, sources of information, in order to develop the knowledge and analytical thinking and creative to keep pace with change. Social progress and prosperity of national social security and economy. The language is also a tool to communicate convey culture, values, morals and ethics by recorded as a precious literature. A bright prospect of the nation and to business. The work and to live together in a democratic society be like peace. Thai is the national treasure worth learning.