This thesis generalizes that the model of BOT could give participated stakeholders more compatible incentives to deliver public service and increase the quality of life. First, from this thesis, readers can understand the incentives and mechanism design of BOT can deliver public service and increase the quality of life. Second, how do participated stakeholders could use the flaws of BOT for profits . If we may integrate speculative behaviors, we cloud discover souring BOT. Finally, this thesis also suggests the improvements of BOT in order to make it better.