The purpose of this thesis is to introduce and analyse the regulatory means of the so-called Chinese walls in banking sector. This is done by examining the Czech Banking Law, but also through comparison of the mechanism of Chinese walls to alternative methods of regulation, as well as by presenting of two practical studies dedicated to Chinese walls. As mentioned, the focus is placed on Czech legislation, however, we do not omit various alternative abroad regulatory approaches used in the past or indeed planned to be passed in the nearest future. The reason for the research is our interest in banking law and this form of regulation of insider trading. The thesis is composed of Introduction, three numbered chapters and Conclusion. Each of th...