The present application discloses an operation method of an interactive flat panel, a storage medium, and related equipment. The method comprises displaying a play mode interface of a slide document and an interface of an annotation application, wherein the interface of the annotation application is a transparent layer covering the interface of the slide document. The method further comprises receiving a touch operation on the interface of the annotation application. When the touch operation is of a first type, page-turning of the slide document is performed, and when the touch operation is of a second type, the slide document is annotated on the interface of the annotation application.