Intellectual capital management is a key factor in the transition to the digital economy. The rapid development of the IoT, cloud computing, Big data and other technologies leads to the creation of a complex interdisciplinary environment - industry 4.0. However, at the moment, the role of intellectual capital is not defined in this context. The purpose of this study is to analyze the existing work in the field of intellectual capital and the digital economy, to identify and systematize the main research problems affected by the authors, and to identify the most promising research problems.