A cosmetic mirror, includes a supporting frame, a mirror body, and a power-on mechanism. At least one light source component is disposed in the mirror body, and the mirror body is connected with the supporting frame. The mirror body includes N mirror surfaces, N is a number greater than or equal to one, each of the mirror surfaces includes a light transmitting region, and each of the light source components is disposed in the mirror body and corresponds to the mirror surfaces in a one-to-one manner. The power-on mechanism includes a power-on fixing assembly and a power-on movable assembly. When any one of the mirror surfaces is rotated to a front side, one of the light source components with respect to the one of the mirror surfaces rotated to the front side of the cosmetic mirror is lightened, and the remaining light source components are turned off.