中小企业系统演进的内在动因包括企业家及企业家精神、企业文化、企业成长需求、企业所有权与治理结构四个子系统。中小企业内部动力因素的运作机理表现为这四个子系统通过自变化,对企业整体演进能力的形成作出自己的贡献率,并通过彼此非线性交互作用,形成中小企业演进的内在动力与演进能力。 The internal motivation for the evolution of SMEs system includes entrepreneurs and entrepreneurship, corporate culture, business growth needs, corporate ownership and governance structure of the four subsystems. The operating mechanism of internal motivation for SMEs shows that these four subsystems make their own contributions to the formation of the overall capability of the enterprise through self-change and form the internal motivation and evolutionary ability of the gradual progress of SMEs through their non-linear interactions.