The promulgation of Guide to AUN-QA Assessment at programme level version 4.0 marked an important milestone in helping universities to improve their programs in particular and their training quality in general. The following article aims to summarize the process of promulgating the AUN 4.0 criteria, the basic comparisons between the AUN 3.0 criteria and the 4.0 criteria, the timeline for applying the AUN 4.0 criteria to help universities get more information in the implementation process.