To perform a fine recording without requiring to carry a portable electric lamp, and without to move close to a light source when the recording is performed in a dark place by incorporating a lighting function having a light emitting body and a battery in a writing utensil main body, and illuminating the nib.

A nib 11 is fixed with a pen barrel 12, and screwed with the pen barrel 12. In a cover cylindrical body 13, a light emitting body 21 is housed, and the light emitting body 21 is fitted in a light emitting body fixing port 15 and fixed. Also, a positive electrode 22 which is connected to the light emitting body 21 with a wire 26, is contained in the cover cylindrical body 13. In the meantime, on a protruding core 19 on the rear end part 14 of this writing utensil, a spring 25 is wound, and in addition, the spring 25 is brought into contact with the rear plate 30 of a negative electrode 23 which is connected to the light emitting body 21 with a wire 27, and an engaging protuberance 18 on the rear end part 14 of the writing utensil is engaged with an engaging hole 17B for lighting out, which is formed on the cover cylindrical body 13, and the rear end part 14 of the writing utensil and the cover cylindrical body 13 are connected. A lighting function is built in a writing utensil main body 1. Also, in a lid body 2 or in the rear end part 14 of the writing utensil, a liquid infiltrating type real 3 is integrated.