A slide device, which includes a fixed rail fixed to a main body, and a transfer rail slidably movable relative to the fixed rail so as to induce opening or closing movement of a drawer body, the slide device comprising: a body provided at an end portion of a side of the fixed rail, and provided with a guide path; a slider coupled to the body, and selectively slidably movable along a longitudinal direction of the body during slidable movement of the transfer rail; a transfer pin coupled to the slider to be movable simultaneously at the time of movement of the slider, and movable along the guide path; a damper provided in the body, and configured such that a rod end portion thereof is connected to the transfer pin; and a sub-transfer pin interposed between the rod end portion of the damper and the transfer pin, and configured to be hingedly rotatable about the transfer pin and to be movable simultaneously at the time of movement of the rod end portion, characterized in that: the transfer pin includes: a pin body, a first protrusion protruding from a first surface of the pin body and being insertable through a through-hole formed in the slider, a second protrusion protruding from a second surface of the pin body to correspond to the first protrusion and transferable along the guide path when the slider is transferred, and a third protrusion protruding from the second surface of the pin body to be spaced apart from the second protrusion and transferable along the guide path when the slider is transferred, wherein the transfer pin further includes a fourth protrusion protruding from the first surface of the pin body to correspond to the third protrusion, the sub-transfer pin is provided with a protrusion insertion groove to allow the fourth protrusion to be inserted thereinto, and the transfer pin is rotatable about the protrusion insertion groove of the sub-transfer pin. a body provided at an end portion of a side of the fixed rail, and provided with a guide path; a slider coupled to the body, and selectively slidably movable along a longitudinal direction of the body during slidable movement of the transfer rail; a transfer pin coupled to the slider to be movable simultaneously at the time of movement of the slider, and movable along the guide path; a damper provided in the body, and configured such that a rod end portion thereof is connected to the transfer pin; and a sub-transfer pin interposed between the rod end portion of the damper and the transfer pin, and configured to be hingedly rotatable about the transfer pin and to be movable simultaneously at the time of movement of the rod end portion, characterized in that: the transfer pin includes: a pin body, a first protrusion protruding from a first surface of the pin body and being insertable through a through-hole formed in the slider, a second protrusion protruding from a second surface of the pin body to correspond to the first protrusion and transferable along the guide path when the slider is transferred, and a third protrusion protruding from the second surface of the pin body to be spaced apart from the second protrusion and transferable along the guide path when the slider is transferred, wherein the transfer pin further includes a fourth protrusion protruding from the first surface of the pin body to correspond to the third protrusion, the sub-transfer pin is provided with a protrusion insertion groove to allow the fourth protrusion to be inserted thereinto, and the transfer pin is rotatable about the protrusion insertion groove of the sub-transfer pin. a pin body, a first protrusion protruding from a first surface of the pin body and being insertable through a through-hole formed in the slider, a second protrusion protruding from a second surface of the pin body to correspond to the first protrusion and transferable along the guide path when the slider is transferred, and a third protrusion protruding from the second surface of the pin body to be spaced apart from the second protrusion and transferable along the guide path when the slider is transferred, wherein the transfer pin further includes a fourth protrusion protruding from the first surface of the pin body to correspond to the third protrusion, the sub-transfer pin is provided with a protrusion insertion groove to allow the fourth protrusion to be inserted thereinto, and the transfer pin is rotatable about the protrusion insertion groove of the sub-transfer pin.