As it enters into a hyper connected society, we are requesting a new technological convergence. Also, these days are a convergent society based on IoT, AI in earnest. We need to build up ‘digital literacy’, that is the ability to critically watch digital information to choice the correct and right information in the flood of information in these days.This paper is for sharing our research process and conclusion about the convergence subject for cultivating a digital literacy. The subject “Comprehension of digital literacy” is made for fostering students who to be great talents can be critical, integrating, problem-solving, creative. This subject was managed by three professors who are consist of a humanities major, a social science major, an engineering major. For this, Three teachers shared AI knowledge based on expert knowledges per major, and based on this, this subject was developed for cultivating students who get a critical comprehension about digital information and a creative solve-problems with digital tools. This subject consists of four parts; in the first part, students have recognized the necessity of digital literacy and main conception of digital literacy. In the second part, students have recognized ethical manner and ethical mind as digital literacy. Next, they have learned various tools of digital and could use those tools. Lastly, students have fulfilled a critical project with digital tools.The survey at the end of this class shows positive effects of our subject to students getting abilities in many domains: solving problem, thinking integrated, creating knowledge, digital ethics, team teaching, self-efficacy. This integrating subject is judged that cultivating student of various major to get basic knowledge of digital literacy by changing of existing cognition and this is can be leading case jumping over academic boundary.