Abstract:On issues of whether a platform economy marked by shared bikes, shared cars and internet finance is equivalent to a shared economy, and whether the "real lease, false sharing" mode of some platform economies also belongs to the category of shared economy, by analyzing and discussing several new Internet business models which appear to be highly related to the sharing economy at present, this paper puts forward a rational explanation of some related concepts in the development of sharing economy and development dilemma faced by sharing economy in our countryChina at present; in particular, the development issues of several business models based on sharing economy idea in China. Meanwhile,, and based onin terms of the basic economic attributes and characteristics of sharinged economy, some relevant policy suggestions including such concepts as green, low-carbon and sustainable development, reusing the idle social resource, and so forth, are put forward in order to provide the reference for sharing-economy governance and the relevant industrial strategic planning under the background of Guangdong-Hong Kong-Macau Greater Bay Area construction.