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There is a sense of investment in the economic activities, investment activities by the people's sense of psychological conditioning control, such as investment decision-making motives, and the expected investment income, investment risk aversion and other issues, is the essence of people's psychological investment activities in the specific performance. Research shows that investors are not entirely rational behaviour, in the judgement and decision-making, it is impossible to conduct a comprehensive programme of all, the system of assessment, often by the cognitive process, emotional process, will process and other psychological factors, and A cognitive trap in the financial markets led to the more common types of behavior deviation. In view of China's securities market a unique historical background, coupled with the development of a relatively short history, investors and investment psychological concept has not yet formed more mature style, the various stock market s