Accreditation is the progress we have to go through for sustainable improvement. Since 2003, TWAEA has started to be commissioned to implement many accreditation projects and realized the importance of accreditation to ensure the quality assurance. One of TWAEA’s missions is to become an outstanding and professional accreditation association with public credibility; TWAEA always work hard to promote the accreditation knowledge and in order to be more internationalized, a strategic plan is then drafted.