Abstract: This article seeks to indicate game theory application in everyday behavior analysis. In this case, at the first, has been showed a brief description of game theory and kinds of game, especially prisoner’s dilemma game, chiken game, and social dilemma game. Then, it has been tried to implied a type of everyday behavior that can be analyzed with game theory. This case is about research at interaction between driver’s and gas station agents in the gas stations in Tehran, in order to show social causes of petrol waste in theses stations with the help of game theory. The drivers’ behavior in getting petrol has been searched in 3 kinds: bartering behavior, fair behavior and unfair behavior, and it has been proved petrol waste has tow reasons: Involving drivers’ in social dilemma situations and interaction of drivers’ and petrol station agents in combination of prisoners dilemma game and chicken game. And, petrol waste is a result of drivers’ carelessness involved in the first situations, or drivers’ revenge from petrol station agents and reducing losses of drivers in second situations.