The article deals with relationships between human capital and social capital. Often is mentioned that presence of social capital is key condition of success investment in human capital. The article presents opposite view - investments in human capital are necessary condition investments in social capital (at least in individual social capital). The three main form of social capital (bonding, bridging and linking social capital) are described at it is shown when generating each form can generate individuals profit and utility - in each case individuals must also invest in their human capital. Investments in human capital can also respond to the situation when investments in social capital become obsolete or devalue., Petr Wawrosz, Herbet Heissler., and Obsahuje seznam literatury