“Social Innovation Carnival” is an advocacy platform which was innovatively initiated by YouChange Foundation. It is also a cross-sectoral exchange platform in China’s philanthropy field. Its main participating bodies came from outstanding international and domestic enterprises, government departments, academic institutions, community organizations and medias. This carnival is a carrier for the force of exploring social development, rejuvenating social innovation ecology, and stimulating social value creation; through discovery of innovative personnel, encouragement of innovative method, thinking and exploration. It strives to form a new atmosphere for cross-sector, cross-region and cross-industry to promote innovative action for the 3rd sector and beyond. The Social Innovation Carnival is held biennially and the first Carnival was held in Shanghai, 2010. Up to now, it has been hosted three times.