Playing channel switching method and system, television and storage medium

The invention provides a playing channel switching method and system, a television and a storage medium, and the method comprises the steps: judging whether channel program information corresponding to a switching instruction is cached in a memory or not when the switching instruction of a played video is received; if so, directly acquiring the channel program information from the memory; performing program playing according to the acquired channel program information, otherwise, requesting to acquire the channel program information corresponding to the switching instruction, caching the received channel program information into a memory of the switching instruction, and performing program playing according to the acquired channel program information. According to the method disclosed by the invention, the channel program information is cached in the program linked list analysis module, so that the time for requesting and analyzing the video linked list and the program linked list is saved, the video switchin