At present, the multi-functional sofa bed in the market can be divided into the folding of the back of the chair and the dragging and pulling along the slide rails. The purchase should be made in accordance with the direction of its expansion and the specific space in the room. From the material use, basically with the multi-functional hinge, attached with a strip of solid wood as a bed board, with the body of the mattress and the head part of the sponge, suit cotton and canvas products processing. The combination of these materials not only increases comfort, but also caters to the modern home concept of people returning to nature.

Nowadays, the international trend of home decoration is developing towards simplification and individuation. When more and more young people choose furniture, they all pay much attention to the use and color shape of the furniture. The flexible and fashionable products are very popular. Therefore, the multi-functional sofa bed also tends to minimalism, multi-functional development. For example, the armrest or cushion of the sofa becomes a pillow after turning into bed; the folding and unfolding of the bed is easier to operate; the expanded bed is more broad and soft and comfortable; the bedspread can be disassembled and replaced... The color of multi-function sofa bed is more fashionable, style is diverse, or bright, or masculine, or fresh, or simple. There are also modern lines and fashionable fabrics, just like every season's fashions.