SEAT SYSTEM

A seat system capable of improving the comfort and convenience of a seated occupant by controlling a conveyance seat according to the state of the seated occupant is provided. A seat system includes a conveyance seat and a wearable device which detects biometric information of the seated occupant. The conveyance seat (S) includes a seat body which has a seat back, a seat cushion, and a headrest, a seat drive unit which changes the posture of the seat back and the seat cushion, a functional member that is provided in the seat body, and a control unit which controls the seat drive unit and the functional member. The control unit includes an acquisition unit which acquires biometric information acquired from the wearable device and controls the seat drive unit and the functional member based on the biometric information acquired by the acquisition unit.