A compressor comprising: a case comprising a discharging part provided at one side thereof and configured to discharge a refrigerant, the case defining a predetermined space for storing oil; a drive part comprising a stator coupled to an inner circumferential surface of the case and having coils wound thereon and configured to generate a rotation magnetic field, a rotor mounted in the stator and configured to be rotatable by the rotation magnetic field, and an insulator extending from the stator and configured to guide the winding of the coil; a shaft extending in a state of being coupled to the rotor; a compression part lubricated by the oil in a state of being coupled to the shaft and configured to compress and discharge the refrigerant, wherein the insulator is arranged to extend toward the compression part; and a sealing part provided between the drive part and the compression part and configured to prevent the refrigerant or oil from leaking between the drive part and the compression part, wherein the stator comprises: a fixed body provided in an inner circumferential surface of the case and having the insulator coupled thereto; and a teeth portion extending from the fixed body towards the rotor to have the coil wound thereon, and wherein the sealing part is provided at an inner region of the insulator, and comprises a sealing body provided along an inner circumferential surface of the insulator, characterized in that the sealing body is fixed between the insulator and the coil wound on the teeth portion. a case comprising a discharging part provided at one side thereof and configured to discharge a refrigerant, the case defining a predetermined space for storing oil; a drive part comprising a stator coupled to an inner circumferential surface of the case and having coils wound thereon and configured to generate a rotation magnetic field, a rotor mounted in the stator and configured to be rotatable by the rotation magnetic field, and an insulator extending from the stator and configured to guide the winding of the coil; a shaft extending in a state of being coupled to the rotor; a compression part lubricated by the oil in a state of being coupled to the shaft and configured to compress and discharge the refrigerant, wherein the insulator is arranged to extend toward the compression part; and a sealing part provided between the drive part and the compression part and configured to prevent the refrigerant or oil from leaking between the drive part and the compression part, wherein the stator comprises: a fixed body provided in an inner circumferential surface of the case and having the insulator coupled thereto; and a teeth portion extending from the fixed body towards the rotor to have the coil wound thereon, and wherein the sealing part is provided at an inner region of the insulator, and comprises a sealing body provided along an inner circumferential surface of the insulator, characterized in that the sealing body is fixed between the insulator and the coil wound on the teeth portion. a fixed body provided in an inner circumferential surface of the case and having the insulator coupled thereto; and a teeth portion extending from the fixed body towards the rotor to have the coil wound thereon, and wherein the sealing part is provided at an inner region of the insulator, and comprises a sealing body provided along an inner circumferential surface of the insulator, characterized in that the sealing body is fixed between the insulator and the coil wound on the teeth portion.