The utility model relates to a box seamless connection structure and travelling basket, the box lower cover that has bottom open -ended box upper cover and open -top, the bottom edge of box upper cover do not forms to the butt joint face of box upper cover and the butt joint face of box lower cover with the top edge butt joint of box lower cover and in butt joint punishment, the butt joint face ofbox upper cover forms to butt -joint groove to the centre is sunken from both sides, the side that is close to the inside of box upper cover of butt -joint groove's concave part is the perpendicular,the side that is close to the outside of box upper cover of butt -joint groove's concave part is the inclined plane of slope, the butt joint arch that forms to imbedding and fill up butt -joint groove's concave part is extended to the inboard of the butt joint face of box lower cover to the top, the outside of the butt joint face of box lower cover can with the tight butt joint in the outside ofthe butt joint face of box upper cover. This travelling basket has foretell box seamless connection structure. The utility model provides a be connected closely between the box upper cover of travelling basket and the box lower cover, have fine water -proof effects.