Current research is based on an experimental two-stage condition. The main objective is to investigate how false memories influence the decision making process, but also the role of emotional regulation in the mentioned relationship. The experiment is based on the DRM paradigm. Participants were aged 18-50 and were divided into two experimental groups. The study investigates both everyday life decision making strategies and those involving taking risks, according to Prospect Theory. The results show that false memories influence decision making process, especially regarding risky ones, but did not support the moderating role of emotion regulation in decision making process under the condition of false memories. The implications of research highlight both the people’s suggestibility and the type of emotional state they should have in order to maintain their trust on false memories.