The paper explores the innovation model from the perspective of design for social innovation by case study and literature research. The study proposes the ‘Five Helix’ innovation model by the government, industry, NGO/NPO, research institution, and citizen, discusses the role of the stakeholders and participation motivation, and presents the features of the ‘Five Helix’ innovation model. The approaches discussed and lessons learned in this paper provides a starting point for the practice and research of the innovation model of design for social innovation.