The utility model provides a chair with a back cushion. The chair comprises a chair body and the back cushion, wherein the back cushion is mounted at the upper end of a chair back in a detachable manner; a head-shaped groove is formed in the middle part of the back cushion, and a head pillow is arranged below the groove; a neck pillow is formed in the groove in a length direction of the back pillow; and a fixing belt for fixing a forehead is connected on upper parts at the two sides of an outer sleeve in a width direction of the back cushion. According to the chair with the back cushion disclosed by the utility model, the back of the head is placed on the head pillow part through the back pillow on the upper part of the chair with the back cushion and the fixing belt, so that the head is fixed very well. Compared with a common chair, the chair can be convenient for people to take a rest at places of office space and the like, and the heads of people are guaranteed not to swing transversely during rest, so that the comfort of the heads is increased.