Disclosed are a scenario-based sound effect control method and an electronic device. The method comprises: after being turned on, an electronic device enables a service having an interception function; the electronic device intercepts, by using the service having the interception function, whether there is a newly created audio decoder and/or video decoder in the electronic device; if determining that there is the newly created audio decoder and the video decoder in the electronic device, the electronic device determines that a current scenario is a video playing application scenario; the electronic device obtains a scenario-based sound effect corresponding to the video playing application scenario, and sets a current sound effect of the electronic device as the scenario-based sound effect.