I write this book aim to let readers to raise knowledge how to predicts service industries consumers needs and research what factors can influence their needs change. The first market concerns travel industry: How to predict future travel behaviour from past travel behaviour for travel agents benefits. I shall indicate how to predict travel behavioural consumption from psychology view and computer statistic both view points and qualitative of travel behavioural method to achieve how to operate travel business more successfully. The second market concerns school education industry. I shall indicate what the factors can influence the final grades of academic students. I shall give examples to explain why these factors can influence the final grades to be bad of academic students easily. Those factors include: tutoring method factor, class attendance and academic performance factor, drinking and academic motivation factor, the link between sleep quantity and academic performance factor, the relationship between physical fitness and academic performance factor, the relationship between student's learning style and academic performance factor as well as the relationship between time management and academic performance total seven factors.