In recent years, there have been many new global companies investing and operating in Vietnam as a form of sharing economy (Uber, Grab, Foody, Agoda, Facebook, Google, etc). These kinds of economic models are popular in the world but very new in Vietnam. Sharing economy enterprises bring both benefit and challenges for Vietnam. Before time, there is no policy and law to govern the activities of these companies. So they make the challenges for the authority of Vietnam to manage. This paper will analyze the nature, characters, and impacts of the sharing economy in Vietnam. It also mentions the problems and recommends some solutions to manage the activities of sharing - economy companies.