A glass curtain wall fastener, comprising: a first clamping plate; a second clamping plate provided opposite to the first clamping plate, the first clamping plate and the second clamping plate are configured to hold a glass panel therebetween; a first connecting part provided on a side of the first clamping plate adjacent to the second clamping plate; a second connecting part provided on a side of the second clamping plate adjacent to the first clamping plate; and a connecting element, the first connecting part being connected to the second connecting part via the connecting element; wherein, when in use in a glass curtain wall, a gap is defined between two adjacent glass panels by the first connecting part, the second connecting part, and the connecting element which are received in the gap; in a direction from the first clamping plate to the second clamping plate, a sum of an extend length of the first connecting part and an extend length of the second connecting part is less than a thickness of the glass panel, and a extend length of the connecting element is less than the thickness of the glass panel, the remaining space of the gap is filled with structural adhesive, wherein an end of the first connecting part defines a first connecting hole, an end of the second connecting part defines a second connecting hole, and the connecting element extends through the first connecting hole and the second connecting hole characterized in that a projection of the first connecting hole on a plane of the first clamping plate is located outside of the first clamping plate, and a projection of the second connecting hole on a plane of the second clamping plate is located outside of the second clamping plate. a first clamping plate; a second clamping plate provided opposite to the first clamping plate, the first clamping plate and the second clamping plate are configured to hold a glass panel therebetween; a first connecting part provided on a side of the first clamping plate adjacent to the second clamping plate; a second connecting part provided on a side of the second clamping plate adjacent to the first clamping plate; and a connecting element, the first connecting part being connected to the second connecting part via the connecting element; wherein, when in use in a glass curtain wall, a gap is defined between two adjacent glass panels by the first connecting part, the second connecting part, and the connecting element which are received in the gap; in a direction from the first clamping plate to the second clamping plate, a sum of an extend length of the first connecting part and an extend length of the second connecting part is less than a thickness of the glass panel, and a extend length of the connecting element is less than the thickness of the glass panel, the remaining space of the gap is filled with structural adhesive, wherein an end of the first connecting part defines a first connecting hole, an end of the second connecting part defines a second connecting hole, and the connecting element extends through the first connecting hole and the second connecting hole characterized in that a projection of the first connecting hole on a plane of the first clamping plate is located outside of the first clamping plate, and a projection of the second connecting hole on a plane of the second clamping plate is located outside of the second clamping plate.