The invention relates to the technical field of health pants, particularly to a seamless three-component belly muscle holding and uterus warming pants, which comprises a uterus warming pants body, wherein the uterus warming pants body is a seamless cylindrical uterus warming pants body, the inner surface, corresponding to the lower abdomen of human body, of the uterus warming pants body is provided with a functional layer, the functional layer comprises a fabric layer, a plurality of uterus warming function zones and a plurality of temperature-sensing color-changing zones, the uterus warming function zones and the temperature-sensing color-changing zones are arranged on a far-infrared fabric, the surface of the uterus warming function zone is coated with a three-component coating material,and the three-component coating material comprises nanometer negative ion powder, chitin and nanometer far infrared powder. According to the present invention, the seamless cylindrical uterus warmingpants is subjected to seamless weaving by using the cylinder, such that various parts of the whole uterus warming pants are seamlessly connected, no sewing bone line is not generated, and the obtained pants has characteristics of comfortable wearing, high skin-friendliness and good gas permeation; by arranging the uterus warming function zones, the effects of antibacterial effect, uterus warming,metabolism improving, detoxification promoting and the like of the uterus warming pants can be improved; and by arranging the temperature-sensing color-changing zones, the temperature increase condition of the uterus warming pants can be real-timely known through the color changing condition.