A plug connector configured to be slidably inserted into a receptacle connector, comprising: - a signal pin having one side in electrical contact with one side of a signal line of a cable, - a shield can (120, 130) electrically spaced apart from the signal pin and surrounding the signal pin such that a lower surface of the other side of the signal pin is exposed; - a first insulating member coupled to the signal pin to insulate the signal pin and the shield can (120, 130) from each other; and - a plug shell surrounding the shield can (120, 130) such that the lower surface of the other side of the signal pin is exposed, wherein the signal pin comprises a first portion on one side thereof which has an insertion portion into which the signal line is inserted and a second portion on the other side thereof which is formed integrally with the first portion and has the lower surface of the other side of the signal pin, wherein the first insulating member has a through hole through which the second portion of the signal pin passes, and comprises a first section that forms an upper portion of the through hole and is formed to expose the lower surface of the other side of the second portion while covering an upper portion of the second portion; and a second section that forms a lower portion of the through hole and is formed below the first section to be shorter than the first section such that the lower surface of the other side of the second portion is exposed, - wherein the shield can (120, 130) comprises: a lower shield can having a seating groove in which a lower portion of the cable is seated and a seating groove in which the second section of the first insulating member is seated; and an upper shield can covering the lower shield can and having a seating groove in which an upper portion of the cable is seated and a seating groove in which the first section of the first insulating member is seated. - a signal pin having one side in electrical contact with one side of a signal line of a cable, - a shield can (120, 130) electrically spaced apart from the signal pin and surrounding the signal pin such that a lower surface of the other side of the signal pin is exposed; - a first insulating member coupled to the signal pin to insulate the signal pin and the shield can (120, 130) from each other; and - a plug shell surrounding the shield can (120, 130) such that the lower surface of the other side of the signal pin is exposed, wherein the signal pin comprises a first portion on one side thereof which has an insertion portion into which the signal line is inserted and a second portion on the other side thereof which is formed integrally with the first portion and has the lower surface of the other side of the signal pin, wherein the first insulating member has a through hole through which the second portion of the signal pin passes, and comprises a first section that forms an upper portion of the through hole and is formed to expose the lower surface of the other side of the second portion while covering an upper portion of the second portion; and a second section that forms a lower portion of the through hole and is formed below the first section to be shorter than the first section such that the lower surface of the other side of the second portion is exposed, - wherein the shield can (120, 130) comprises: a lower shield can having a seating groove in which a lower portion of the cable is seated and a seating groove in which the second section of the first insulating member is seated; and an upper shield can covering the lower shield can and having a seating groove in which an upper portion of the cable is seated and a seating groove in which the first section of the first insulating member is seated. - wherein the shield can (120, 130) comprises: a lower shield can having a seating groove in which a lower portion of the cable is seated and a seating groove in which the second section of the first insulating member is seated; and an upper shield can covering the lower shield can and having a seating groove in which an upper portion of the cable is seated and a seating groove in which the first section of the first insulating member is seated.