Curtain Assembly and Assembling Method Thereof

A curtain assembly includes a curtain fabric, an upper supporting shaft, a lower supporting shaft, first through fourth coupling member and a connecting cord. The connecting cord sequentially extends between the first coupling member and the second coupling member to form a handle loop. The connecting cord passing through the first coupling member is arranged to pass through the coupling member and extend around the curtain fabric and connect with an external support. The connecting cord passing through the second coupling member is arranged to pass through the fourth coupling member extend around the curtain fabric connect with an external support. The curtain assembly can be operated between a shading position and a retracted position, wherein in the shading position, the curtain fabric is fully extended. In the retracted position, the curtain fabric is retracted to form a roll.