A bottle container with a handle comprising: a bottle body provided with a mounting projecting portion so as to project therefrom; and a handle member mounted on the mounting projecting portion, wherein the handle member has a mounting portion formed with a mounting hole which allows the mounting projecting portion to be inserted thereinto, and a handle portion connected to the mounting portion, wherein the mounting projecting portion is provided so as to be projected at a vertical side wall of the bottle body, wherein the handle member is configured to be rotatable relative to the bottle body around a central axis of the mounting projecting portion relative to the bottle body in a state that the mounting projecting portion is inserted into the mounting hole, wherein an outer peripheral surface of the mounting projecting portion is formed with an engaging recessed groove which extends in a peripheral direction of the mounting projecting portion, and a pair of sliding surfaces which extend along a circumference having the central axis of the mounting projecting portion as a center, wherein the inner peripheral surface of the mounting hole is provided with an abutting portion which is accommodated inside the engaging recessed groove, and abuts on a bottom surface of the engaging recessed groove, characterised in that the mounting portion is provided with a pair of guide portions each having two ends and which extend along the sliding surfaces, which slide on the sliding surfaces with the relative rotation of the handle member and the bottle body, and which guide the relative rotation, and wherein the pair of guide portions are adapted so that both ends of each of the guide portions are brought into sliding contact with the pair of sliding surfaces (434, 534) when the mounting projecting portion (430, 430') is inserted into the mounting hole. a bottle body provided with a mounting projecting portion so as to project therefrom; and a handle member mounted on the mounting projecting portion, wherein the handle member has a mounting portion formed with a mounting hole which allows the mounting projecting portion to be inserted thereinto, and a handle portion connected to the mounting portion, wherein the mounting projecting portion is provided so as to be projected at a vertical side wall of the bottle body, wherein the handle member is configured to be rotatable relative to the bottle body around a central axis of the mounting projecting portion relative to the bottle body in a state that the mounting projecting portion is inserted into the mounting hole, wherein an outer peripheral surface of the mounting projecting portion is formed with an engaging recessed groove which extends in a peripheral direction of the mounting projecting portion, and a pair of sliding surfaces which extend along a circumference having the central axis of the mounting projecting portion as a center, wherein the inner peripheral surface of the mounting hole is provided with an abutting portion which is accommodated inside the engaging recessed groove, and abuts on a bottom surface of the engaging recessed groove, characterised in that the mounting portion is provided with a pair of guide portions each having two ends and which extend along the sliding surfaces, which slide on the sliding surfaces with the relative rotation of the handle member and the bottle body, and which guide the relative rotation, and wherein the pair of guide portions are adapted so that both ends of each of the guide portions are brought into sliding contact with the pair of sliding surfaces (434, 534) when the mounting projecting portion (430, 430') is inserted into the mounting hole.