The invention relates to comfortable jeans facilitating movement and a working method of the jeans, and belongs to the field of garments. The jeans comprise a jeans body, the jeans body comprises two trouser legs and a beltline, a smooth fabric is arranged at a knee position of each trouser leg, an elastic knee fabric with the size as same as that of each smooth fabric is arranged on the inner side face of the smooth fabric, each smooth fabric is sewn with the upper side edge of the corresponding elastic knee fabric, two ends of the upper side face of each smooth fabric are sewn with the jeans body, sewing threads at sewn positions are in regular shapes, the front upper portion of the knee position of each trouser leg is fixedly sewn with two lifting belts, sewing threads at sewn positions of the front upper portion of the knee position of each trouser leg and the lifting belts are in regular shapes, and the two lifting belts are wound to the lower portions of hips of the trouser legs along the outer sides and the inner sides of the inner circumferential surfaces of the trouser legs and sewn fixedly at the positions. A user can optionally squat without exposing hip skins, embarrassment is avoided, appearance is basically unchanged, and attractiveness cannot be affected.