Disclosed is a method for switching living broadcast between landscape broadcasting mode and portrait broadcasting mode, applicable to live broadcasting website. The method comprises: S1, an administrator setting categories and category settings for live broadcasting videos; S2, the administrator adding landscape option and portrait option for the live broadcasting video into each category; S3, a presenter selecting on a client terminal a live broadcasting mode, and selecting the category as well as landscape or portrait option for live broadcasting video; S4, the presenter selecting to start live broadcasting, the administration back end verifying whether the landscape or portrait option selected by the presenter is consistent with the selected live broadcasting mode; if yes, performing step S6; otherwise performing step S5; S5, the administration back end modifying the landscape or portrait option selected by the presenter; S6, the administration back end allowing the live broadcast to start, and ending.