A method and device for controlling a pop-up window, a computer-readable medium, and an electronic device are provided. According to the method, a target sub-video in a first target hotspot is played when entering a hot video playing page, a pop-up window is controlled to pop up on reception of a pop-up window display instruction. The pop-up window display instruction is generated in response to a click instruction received in a more hotspot prompt area on the hot video playing page. The pop-up window includes video prompt screens corresponding to multiple candidate hotspots, the video prompt screens are displayed in a horizontally scrolled manner in the pop-up window, and the first target hotspot is included in the candidate hotspots, a video prompt screen corresponding to the first target hotspot is partially displayed at a boundary of the pop-up window.