Connecting piece and curtain wall with same

The utility model relates to a connecting piece which comprises a first connecting part and a second connecting part, and one end of the first connecting part and one end of the second connecting part are connected into a whole. The other end of the first connecting part obliquely extends downwards to form a first auxiliary part; the other end of the second connecting part obliquely extends downwards to form a second auxiliary part; and the first auxiliary part is not connected with the second auxiliary part. The utility model further discloses a curtain wall with the connecting piece, the curtain wall comprises a panel and the connecting piece, and the panel is connected with the connecting piece. The panel and the connecting piece are independently designed, the auxiliary part of the connecting piece is glued, a good sealing and waterproof effect can be achieved, rainwater permeation is prevented, the independent design can better adapt to the structural deviation of a wall body, and the connecting piece ca