Abstract: A sofa equipped with a radiant heating mattress for fomentation and/or massage, wherein a bed part equipped with the radiant heating mattress and a heating system internally built therein is mounted on one side of a seat part of the sofa, thereby allowing a user to rest comfortably and to enjoy fomentation and health massages by anions and far infrared rays from the radiant heating mattress of the bed part, with the use of sofa. The sofa has the seat part, a back part, an arm part and a frame, wherein one side of the seat part constitutes the bed part which is formed of a flat board having a wide area and is equipped with the radiant heating mattress produced with a board made of jade, gold-coated board, stone, mixture of yellow earth and hardwood charcoals, or ceramics so as to emit anions and far infrared rays.