Internal Quality Assurance (IQA) system is particularly important for maintaining and improving quality in higher education. With the view that all activities aim at the goal of constantly improving and improving quality, over the years, VNUIS has developed regulations, processes, resource allocation, human training, etc…to ensure the efficient operation of the IQA system. Activities of the IQA system such as program self-assessment according to AUN-QA criteria, assessment of training institutions according to MOET criteria, survey of teaching, management and service quality, has contributed actively in improving the quality and effectiveness of the management and training of the School. In the coming time, VNUIS is prior to improve the operational efficiency of the IQA system