Access method, device and system of malicious web

The invention discloses an access method, an access device and an access system of a malicious web. The method comprises the steps: before a terminal visits some web, determining the web to be the malicious web; if the web is the malicious web, obtaining a non-executable preview interface of a webpage of the malicious web, and transmitting to the terminal for displaying. A user can examine the information of the web which the user visits by the non-executable preview interface, and the user terminal does not directly visit the malicious web, so that the user terminal cannot be at risk, and the safety of the user terminal can be improved.