Connecting member for building curtain wall

The utility model discloses a connecting member for a building curtain wall, which is used for connecting a metal member and a skeleton or truss on a metal panel or curtain wall with a multi-layer structure, which comprises aluminium alloy T-shaped supporting bases fixedly connected with the skeleton or the truss, aluminium alloy female buckles fixedly connected with the metal panel, and aluminium alloy male buckles which are connected with the aluminium alloy female buckles through bolts to form drum-shaped sleeve grooves, wherein each aluminium alloy T-shaped supporting base comprises a connecting board with a wabbler at the top, the wabblers are clamped and sleeved in the drum-shaped sleeve grooves in a clearance fit way, the part of the aluminium alloy male buckles are respectively provided with a limiting board, each limiting board is positioned between each aluminium alloy male buckle and each aluminium alloy female buckle, the aluminium alloy male buckles without the limiting board are arranged at the