Method and system for recognizing blocked information

The embodiment of the invention provides a method and system for recognizing involved information. The method comprises the steps: obtaining each part of online real-time information, converting the text of the real-time information into a unified recognizable character format, and retaining key information, thereby obtaining a cleaned text; aiming at each cleaning text, when any one related keyword exists in the cleaning text, determining that the cleaning text is successfully matched with the related keyword library; for each cleaning text, if the website address involved in the cleaning text is the same as any one involved website address in the involved website library, determining that the cleaning text is successfully matched with the involved website library; and when a certain cleaning text is successfully matched with one of the roulette keyword library or the roulette website library, determining the cleaning text as roulette information, and setting the roulette information to be invisible to other