An illuminating structure of a meter apparatus illuminates an indicator 7 and a text panel 9 while the indicator 7 rotates to indicate various kinds of information, wherein the rotary shaft 5 has lateral light separating unit 10, formed with a dented portion toward a light source 3, at the front end surface of the front end portion thereof, and the lateral light separating unit 10 partially separates the illuminating light incident to the indicator 7 toward the text panel 9.