On September 24, 2020, a conference was held: "RWD / RWE: An Important Tool for Decision Making in Health Care". The relevance of collecting real-world data (RWD) and their analysis (RWE) was demonstrated, and the need to amend the current legislation in order to use RWD / RWE in the Russian healthcare system was discussed. RWD is a modern request of the healthcare system, interest in which has grown significantly over the past years in most of the countries of Europe and the USA.