▎ 摘　　要

NOVELTY - The utility model claims a self-heating down jacket, comprising a down jacket main body; it further comprises a heating insulating layer; the fabric layer comprises a waterproof ventilating film layer; the lower end of the waterproof ventilating film layer is provided with a moisture absorbing layer; the waterproof ventilating film layer is connected with the eiderdown filling layer through the moisture absorbing layer; the down filling layer comprises a first anti-wool layer; the upper end of the first anti-velvet layer is provided with a moisture absorbing layer; the lower part is provided with a second anti-velvet layer; a feather layer is arranged between the first anti-wool layer and the second anti-velvet layer; the lower end of the second anti-wool layer is provided with a lining layer; the inner material layer comprises a heating insulating layer; the lower end of the heating insulating layer is provided with a heat absorbing layer; the heating insulating layer is formed by weaving the self-heating warps and the graphene yarns. The utility model not only can spontaneously emit heat, does not need to use additional components for heating, and constant temperature, good heat preservation performance, resisting the low temperature environment and enhancing the texture and permeability, so as to meet the warm demand of people, with wide applicability.