The utility model relates to an alleviate warm in utero trousers of dysmenorrhoea, can effectively solve the problem of menalgia, the present invention has the technical scheme that bacteria, the trousers body is by belly elasticity ring body and rather than the first magnetotherapy cloth that is connected, second magnetotherapy cloth constitutes, be fixed with third magnetotherapy cloth on the belly elasticity ring body of second magnetotherapy cloth top, first magnetotherapy cloth, evenly distributed has a plurality of tourmaline bumps on second magnetotherapy cloth and the third magnetotherapy cloth, before the belly elasticity ring body, the back, a left side, part on the right side and do not be equipped with first intermediate layer, the fourth intermediate layer, third intermediate layer and second intermediate layer, first intermediate layer, the fourth intermediate layer, the traditional chinese medicine package is equipped with in third intermediate layer and the second intermediate layer, there is one deck cloth piece the outside of belly elasticity ring body, with the formation intermediate layer, be fixed with the heating wire in the intermediate layer on the outer cloth piece internal surface, heating wire end end connection has the battery, the utility model discloses can effectively alleviate the menalgia, magnetic field intensity is even, and the curative effect is obvious, is the innovation on the cold -proof and magnetotherapy device of traditional chinese medicine electric heat.