IntroductionThis book divides two parts to explain how psychological and marketing information factors which can influence consumer behavioral changes.In first part, it aims to give opinions whether psychological factor can be felt how to predict or influence consumer behavior. Can businessmen attempt to understand the role of psychological factors in determining consumer behavior. It is an attempt to apply psychological and economic knowledge in order to solve significant problems in nowadays competitive business environment.In chapter one, I shall indicate whether " motivation" psychological factors can influence consumer behavior. How can it bring positive or negative influences to cause consumer behavioral changes? In chapter two, I shall explain why and how packaging factor will influence consumption behavior changes. Finally both chapters, I shall indicate economic and psychological methods how to predict or change consumption behaviors in these two sample business cases, such as clothing, property both industries as well asI shall give opinions to conclude how to apply psychological methods to achieve some positive changes in the activities of the commercial organizations in our societies.In second part, Consumer Behavior research topic is any business marketing researchers concern topic. In psychological view point, there are different kinds of external environment factors and consumer individual internal emotion factor to influence who everyone makes final consumption decision. Every different environment situation, which will bring different consumption emotion influence to every consumer.I shall concentrate on researching marketing information economic factor ( marketing information) factor to explain whether this factor how to influence consumer behavior in different environment situation.Any reader can have more clear methods to predict every consumer psychological change how to influence every consumer individual consumption behavior in nowadays society after you read this book.