The invention discloses a drying room of a circular screen printer. The drying room of the circular screen printer comprises draught fans, heat sources, a conduction band, a conduction band roller, cloth press rollers, an air outlet and a baffle, wherein the area of the drying room is divided into an upper area, a middle area and a lower area by fabric and the baffle; the drought fans are of three different types, the number of the drought fan of the largest type is three, and the drought fans of the largest type have an air blowing function and are located in the area formed by the fabric and the upper portion of the drying room, the number of the drought fans of the middle type is three, the drought fans of the middle type have an air suction function and are located in the area formed by the baffle and the lower portion of the drying room, the number of the drought fans of the smallest type is two, and the drought fans of the smallest type have the air suction function and are located in the area formed by the baffle and the fabric; the number of the heat sources is three, the heat sources are fixedly hung on the room top of the drying room through small metal bars, and the positions of the heat sources correspond to three air blowers; the combination body of the conduction band and the conduction band roller is arranged in an inclined direction and forms a 30-degree angle with the horizontal plane, the number of the cloth press rollers is three, and the cloth press rollers are located on the downstream in the running direction of the fabric; the baffle is connected with the front face and the back face of the drying room, and gaps are formed between the baffle and the left face and the right face of the drying room; and the air outlet is communicated with an fabric outlet.