Method and device for preventing intelligent household appliance from being maliciously controlled

The invention provides a method and device for preventing an intelligent household appliance from being maliciously controlled, wherein the intelligent household appliance is connected with the internet; the method for preventing the intelligent household appliance from being maliciously controlled comprises the following steps of: obtaining a remote control instruction used for controlling the intelligent household appliance; judging whether the time for obtaining the remote control instruction within a pre-set period is greater than a pre-set time threshold value or not; if so, sending prompt information to a user terminal connected with the intelligent household appliance through the internet, and judging whether the time for receiving a processing instruction returned by the user terminal and responding to the prompt information is greater than a pre-set time threshold value or not; and if not, determining whether the remote control instruction is sent by a user or not according to the processing instruct