Abstract: The present disclosure provides a modular sectional sofa, including a bottom frame, a backrest frame and a cushion, wherein the inner side surface of the backrest frame is provided with a hook body, the hook body comprises a connection element, the lower surface of the connection element is provided with an inserting part, the upper surface of the bottom frame is provided with a hole or slot, when the inserting part is connected to the hole or slot, the backrest frame is connected with the bottom frame into a whole. A modular sectional sofa is further provided, including a bottom frame and a U-shaped connection element, wherein the U-shaped connection element connects two bottom frames through a left position limiting post and a right position limiting post.

Abstract: The present disclosure provides a modular sectional sofa, including a bottom frame, a backrest frame and a cushion, wherein the inner side surface of the backrest frame is provided with a hook body, the hook body comprises a connection element, the lower surface of the connection element is provided with an inserting part, the upper surface of the bottom frame is provided with a hole or slot, when the inserting part is connected to the hole or slot, the backrest frame is connected with the bottom frame into a whole. A modular sectional sofa is further provided, including a bottom frame and a U-shaped connection element, wherein the U-shaped connection element connects two bottom frames through a left position limiting post and a right position limiting post.