Abstract: At present, the main city traffic or public transport, but also because of dwindling energy, public transport in urban areas the proportion of traffic will inevitably increase. Therefore bus scheduling problem will become very important. According to a traffic in a big city Line of a typical working day operation of the direction of the two stations on the number of passengers get off at the statistics, through the establishment of the optimal model, the bus companies and the interests of all passengers get a balance, both the number of buses as little as possible, while commuters and other To the time normally does not exceed 10 minutes, morning peak period of not more than five minutes. At the same time the number of passengers per car loaded with no more than the number of 120%.