The inkjet drawing device and method form an image on an image recording medium relatively transported in a sub-scanning direction perpendicular to a main scanning direction by using photocurable ink with an inkjet head moving in the main scanning direction. The device and method cause the inkjet head to eject the photocurable ink as an ink droplet imagewise to perform direct drawing, irradiate an upper portion of the image recording medium with active light from a stationary, point or substantially point active light source by using a scanning mirror that scans and moves in the main scanning direction at a backward position distant from a position subjected to the drawing by the inkjet head by a predetermined distance toward a sub-scanning transport downstream side of the image recording medium and cure the photocurable ink ejected onto the image recording medium imagewise to form the image.