Along with the process of economic-social development, the conformity assessment activities has become increasingly important. It gives way to determine the suitability of the products, goods and services for concerned regulations and standards. This activity helps the user peace of mind when using the products, goods or services have been committed regulations. In recent years, activities of conformity assessment in Vietnam has not been good. For improving this operation and to further promote its role, the authors have đemanded to oriente management in accordance with international practice.