This book aims to explain why and how future artificial intelligent technology ( big data gathering method) can be applied to assit businesses to predict why and when and how consumer behavior changes. I shall explain why traditional psychological and statistic and marketing methods are applied to predict consumer behaviors, human's judgement and analytical effort will be worse to compare AI machine's judgement and analytical effort. Also, I shall indicate different business organizations why they apply AI big data gathering method to help them to design any questionnaires ( surveys) questions which will be more valid and useful to conclude human's questionnaires ( surveys) design questions method. Can AI build positive consumption or leisure emotion to consumers in order to avoid negative emotion to consumers? I shall attempt to apply psychological and machine method to explain this question. Readers can have more clear understanding whether AI can be good tool to build positive consumer emotion.