Warm-keeping breathable down jacket

The utility model discloses a warm-keeping breathable down jacket which comprises a down jacket body, sleeves are arranged on the two sides of the down jacket body, elbow protection pads are arranged on the sides, away from each other, of the two sets of sleeves, warm-keeping oversleeves are arranged below the elbow protection pads, and symmetrically-distributed pockets are arranged at the lower end of the front side of the down jacket body. The warm-keeping oversleeves and the sleeves are connected together in a sleeving mode, the first buttons and the first button holes are fixed together, so that the sleeves are lengthened, the warm-keeping oversleeves keep the hands of a user warm, through the arranged fastening ropes, when the user pulls the fastening ropes, the collar can be tightened, then the second buttons and the second button holes are fixed together, and therefore the user can wear the warm-keeping oversleeves conveniently. And through the arranged breathable piece, the skin is breathable, when a