Sofa

The invention discloses a sofa. The sofa comprises a hand rail, a backrest and a base, the bottom of the hand rail is connected with the base, the direction of the connection between the hand rail and the backrest is in a bent L shape, a bent L shape structure comprises the two sections of a straight section and a bent section, and the end face of the bent section is connected with the backrest; the top of an underframe of the sofa is provided with a cushion, the two ends of the underframe of the sofa are respectively provided with a left arm-chair and a right arm-chair, a back arm-chair is connected with the left arm-chair and the right arm-chair, a pillow support frame is arranged on the back arm-chair, and a head pillow is connected with the pillow support frame; a hand rail part is connected to a fixed part of the sofa through an angle adjustment fitting and is fixed in a freely adjustable angle mode; a sofa body is fixedly connected with an auxiliary seat plate, one side of the auxiliary seat plate is connected with a main seat plate in a hinged mode, and the upper surface of the auxiliary seat plate and the upper surface and the lower surface of the main seat plate are all movably connected with elastic cushions. The sofa is quite convenient to transport and warehouse, the infestation from mosquitoes is effectively avoided, and people can fully enjoy leisure.