Corporate culture is one of the important conceptions in organizations in recent years. Every organization has its own unique culture or value set. Having a clear understanding of corporate culture would help us comprehending the organization in every aspect. Corporate culture refers to “the moral, social, and behavioral norms of an organization based on the beliefs, attitudes, and priorities of its members.” It drives the people of the organization, improves its core competitiveness and guarantees its sustainable development. This paper tries to discuss the encouraging effects on small and medium-sized enterprises through careful analysis of their situation and characteristics. Exploring the way to build corporate culture and develop cultural advantage ,helping small and medium-sized enterprises gain core competitiveness and sustainable development in order that small and medium-sized enterprises can survive competition and stand out.