The study aims to design and suggest criteria of the academic credit approval for those who obtain diverse qualifications. In order to achieve the objectives of this research, a Delphi survey was conducted. Consequently this study suggests the following, based on the argument that existing credit approval system covering all qualifications requires improvement especially due to limited function and efficiency. First, most respondents who took part in the management of academic credit bank system in the Korea Educational Development Institute stated that the current system is of limitation. Out of the all items, one was indicated as one not directly related the majoring area for the degree, three items were indicated as approved in the bachelor degree and two items were as approved in the associate degree. Second, occupational area for approving qualification items should be classified according to the KRIVET classification structure for national qualification.