An optical touch panel includes a panel and a light guide module. The light guide module is disposed on the panel, and the light guide module includes a printed circuit board, at least one light emitting element, and a light guide strip. The light emitting element is electrically disposed on the printed circuit board. The light guide strip is disposed on the printed circuit board, and wraps the light emitting element. Additionally, the light emitting element emits light rays, and the light rays penetrate the light guide strip and are emitted to the panel.