To investigate the risk perceptions of stock investors, the research surveyed 1840 stock investors by the method of stratified sampling with the help of Nanfang Bond Company.The results showed the level of investors' risk perceptions was low on the seven risk resources,especially on the risk of pursuing high going-up stock and excess speculation.The two factors that years in stock and asset would influence the risk perceptions of the pursuing high going-up stock and excess speculation.From the model of stoc...