In a relatively short time, Thailand will have a free flow labor with the other ASEAN member countries. The ten nations of ASEAN have prepared the Mutual Recognition Arrangements (MRA), which specify the basic qualifications for seven groups of professionals to work freely in each other’s countries. These groups are Engineering Services, Architectural Services, Surveying Qualifications, Medical Practitioners, Dental Practitioners, Nursing Services and Accountancy Services. With the Free Flow of Skilled Labor, Thailand will receive both advantages and disadvantages, and we face the challenge of developing the personnel and business competitiveness of Thais in these professions.