The invention discloses an advertisement blocking device. The device comprises a generating module, a judgement module and a blocking module, wherein the generating module is used for generating a blocking rule according to identification information of an advertisement blocked by a touch operation for blocking advertisements when the touch operation is received in an advertisement blocking mode; the judging module is used for receiving an access request, and judging whether the access request is an advertisement request or not according the blocking rule; and the blocking module is used for blocking the advertisement request when the access request is the advertisement request. The invention also discloses an advertisement blocking method. Through adoption of the advertisement blocking device and method, the blocking rule is generated according to the touch operation of a user; a terminal does not need to perform online detection and periodic update of an advertisement library; and the blocking rule is mainly generated according to an operation habit of the user. Thus, different advertisements can be recognized in real time without the need of waiting for the update of the advertisement library; the advertisement blocking accuracy is increased; and the intelligence of the terminal is improved.