Composite chair

The utility model provides a composite chair which comprises a fixed seat part and a mobile part arranged on the fixed seat part, wherein the fixed seat part comprises a first bearing part and two first track parts; the mobile part comprises a second bearing part and a connecting structure; the connecting structure is used for connecting the fixed seat part with the second bearing part and enabling the second bearing part to uplift relative to the fixed seat part; the second bearing part comprises two second track parts; the connecting comprises two first linked rods and two second linked rods. The composite chair moves along two first track parts through two first linked rods in a sliding manner and moves along the second track parts through two second linked rods in the sliding manner, so as to lift the second bearing part to be switched into a table top or a chair cushion. By adopting the structure, the composite chair has dual functions that the composite chair can be switched into the table top for placi