The present invention relates to a menstrual pain treatment device, which is used bu being brought into close contact with a menstrual pain treatment area of the body or by being attached to a color light treatment area of the body using a double-sided adhesive tape or a hydro gel pad, and which comprises a pad- or patch-shaped main body for accommodating a battery and a PCB having a light source, a light source operation controller, and a treatment device operation button. The present invention treats menstrual pain by concentrating a colored light for treats menstrual pain by concentrating a colored light for treating menstrual pain on the menstrual pain treatment area of the body through the light emitting outlet in the patch-shaped main body. Since the present invention has the shape of a pad or patch, the present invention can be used by being attached to an underwear, a belt, or a pressurizing band, or by being brought into close contact with the menstrual pain treatment area of the body by being tied to that area eith a string. In addition, since the present invention, being in close contact with the menstrual pain treatment area of the body, concentrates a colored light having a wavelength range specified for the treatment of menstrual pain, the present invention can be expected to have a menstrual pain treatment effect, while completely eliminating the hygienic issues of a conventional menstrual pain treatment device inserted into the vagina.
