Although economic crimes have not been defined exactly, what have been studied by the legal theorist are their criminal features and criteria for recognition. The multiplicity of subject, the low-visibility crimes, strength and flexibility are the most important feature of economic crimes, and these features result in differences between economic and financial crimes. In addition to have special features, stock crimes have characteristics and features of economic crimes. Stock crimes inevitably lead to economic security disorder, public confidence disturbing and also infringement in the information transparency. These characteristics give rise to the lack of investors' motivations and properties go to unsafe markets, so stock crimes have negative impacts on the macroeconomic. Therefore we can name this kind of crimes as one of the most kind of economic crimes. Acting in differential penal policy in the area of stock crimes is the most important result of treating stock crimes as economic crimes. This article (with library studding) sets out to prove that stock crimes are the kind of economic crimes and we need to acting differential penal policy in the area of stock crimes.