Business transformation and social transformation using digital technology are now a global trend. We need to accelerate our business to reform social structure and to create new value for realization of Society 5.0 using digital technology. IPA strongly promote DX through various measures cooperating closely with experts, IT vendors, governments, etc. In this lecture, we will explain the current situation and obstacles of DX based on our research, and introduce various measures, ideas and architectures to overcome obstacles and to promote DX which realize a digital society.