New communication system has been very influence on economical interaction in the world. Characteristics of to-day American consumption are transferring credit and media- information network that provide good choice and its purchase, simultaneously. Growth of consumerism is one of important characters of capitalism. Since growth of consumption will due to flourish production and financial circulation, capitalism that is based on developing free economy mechanisms, develops consumption to developing economical circulation. Consumption is a cultural topic and it provides many choice possibilities in American postmodern market but it doesn’t have growth opportunity in real economic framework. Accordingly, capitalism deals with this problem by giving credit to purchase that it is more than economic ability of citizen and society. This economic flourish improves financial ability and welfare of citizen and provides possibility to getting out of debt. This article shows how credit cart by expansion of information and communication mechanisms and systems, due to flourish of American economy and how consumerism and consumption society in America as an economic concept have changed to cultural-economic phenomenon.