PROBLEM TO BE SOLVED: To provide a small-sized illuminator for a private part advantageous in cost, washing respect or working respect (handling respect). SOLUTION: This small-sized illuminator is characterized in that a cylindrical arm 4 having a single light emitting part 3 at the tip is fitted to a casing 2 having a power supply 1, the arm 4 is bent at a designated angle in a portion at the forward end side thereof, and the base end part of the arm 4 is removably mounted on the casing 2.
