I shall indicate what are the strengths and weaknesses between online and offline travel agents? How can online travel agents win offline travel agents or how can offline travel agents win online travel? Why do travel consumers either choose online travel agents or offline travel agents to help them to arrange travel trips? What factors will change their mind to influence them to choose to buy electronic air ticket or paper air ticket from either offline travel agents or online travel agents? For example, I shall general investigating methods to predict travel behavioural consumption, such as qualitative of travel behavioural method, advanced traveler information systems (ATIS) method, online tourism sale channel method, actively based patterns of urban population of travel behavioural prediction method, trip based versus activity based approaches of method. Also, I shall explain how to predict the future number travel age target, it includes both the senior age group and young age group in order to how to attract these two different travel age target group. I shall indicate how to use psychological method to predict travel behavioral consumption.