Recently in China, it has often occurred that nationalism grows in the internet space. It was found in not only anti-Japan demonstrations in 2005 but also patriotism movements of the United States and France. It is said that factors on the linkage between collective memories and the identity is explained with three perspectives of primitive, constructivism and instrumental. However, the internet nationalism in China cannot be fully explained by that. In this paper, the internet nationalism of China is demonstrated from the socio-psychological aspect, covering the cases of “Yellow Ribbon” Campaign, “Hongke” the hacker collective and the anti-Japan sentiment.