The present invention relates to a guide plate for writing. More particularly, the present invention is provided with: a paper receiving portion for paper positioning; a paper fixing unit provided on one side of the paper receiving portion and fixing one end of paper placed in the paper receiving portion; a linear movement guide unit formed on one side of the paper receiving portion; and a writing line providing unit configured to be detachable from the linear movement guide unit and providing a straight horizontal or vertical writing line while sliding along the linear movement guide unit so that straight writing can be performed on an upper surface of the paper placed in the paper receiving portion, in which the writing line providing unit has a light emitter that emits light in a constant manner in an opposite straight-line direction in response to electric power supply from a built-in battery.
