Based on the different points of view, entrepreneurship can be distinguished in different ways, which GEM ( Global Entrepreneurship Monitor) divided into necessity entrepreneurship and opportunity entrepreneurship by the perspective of entrepreneurial motivation. 依据角度的不同,创业类型有多种划分方法,其中GEM(全球创业观察)从创业动机的角度将创业划分为生存型创业与机会型创业。