since the adoption of the first national economic and social development plan the economic development rate of thailand has been growing at an average of more than 8% per year. especially during the 6 national economic and social development plan [1987-1991] the economic growth of the country was more than 11% per year,one of the highest in the world. During the early period of the 8 National economic and social development plan [1997-2001],thailand has faced an economic crisis caused by a reduction in exports, a drop in investment and serious problems in the financial secter. however. it is still believed that with the solid fundamental structure of the thai economy ,the situation will recover and the economy will continue to grow in the foreseeable future.