In fact, the capital, people often think of money, property… however there is a type of capital formed through personal relationships, friends… and it becomes helpful to help us solve problems in our life, it is called social capital. The paper objective is to study the factors affecting social capital in the context of connecting online through social networks. The results showed that there is a relationship between the reason for using social networks and the level of using social networks, the relationship between the level of using social networks and the components that make up the concept of social capital including friendship social capital, cooperative social capital and social capital maintained. In addition, the subjective of happy status of social network users also quite clearly affects the components of social capital.
Keywords: Internet and UEH, Network, Social, Social Capital, flat