A recording system comprising: a recording unit that includes an inkjet recording head configured to perform recording on a medium, wherein the inkjet recording head is a line head; and a medium processing apparatus configured to perform drying processing on the medium, the medium processing apparatus comprising: a reception unit configured to receive a medium to be processed; a medium drying device comprising: a transport unit configured to transport the medium received by the reception unit; and one heating unit configured to heat the medium transported by the transport unit, the heating unit being provided in a transport direction of the medium, wherein the transport unit is configured to transport the medium to a heating area of the heating unit a plurality of times; and a post-processing unit configured to perform post-processing on the medium received from the reception unit or the medium drying-processed by the medium drying device, wherein the medium processing apparatus is configured to process the medium after the recording by the recording section, and wherein the heating unit includes a heating roller pair that holds the medium between a driving roller driven to rotate and a driven roller driven to rotate by the rotation of the driving roller and transports the medium, and one or both of the driving roller and the driven roller is heated. a recording unit that includes an inkjet recording head configured to perform recording on a medium, wherein the inkjet recording head is a line head; and a medium processing apparatus configured to perform drying processing on the medium, the medium processing apparatus comprising: a reception unit configured to receive a medium to be processed; a medium drying device comprising: a transport unit configured to transport the medium received by the reception unit; and one heating unit configured to heat the medium transported by the transport unit, the heating unit being provided in a transport direction of the medium, wherein the transport unit is configured to transport the medium to a heating area of the heating unit a plurality of times; and a post-processing unit configured to perform post-processing on the medium received from the reception unit or the medium drying-processed by the medium drying device, a reception unit configured to receive a medium to be processed; a medium drying device comprising: a transport unit configured to transport the medium received by the reception unit; and one heating unit configured to heat the medium transported by the transport unit, the heating unit being provided in a transport direction of the medium, wherein the transport unit is configured to transport the medium to a heating area of the heating unit a plurality of times; and a transport unit configured to transport the medium received by the reception unit; and one heating unit configured to heat the medium transported by the transport unit, the heating unit being provided in a transport direction of the medium, wherein the transport unit is configured to transport the medium to a heating area of the heating unit a plurality of times; and a post-processing unit configured to perform post-processing on the medium received from the reception unit or the medium drying-processed by the medium drying device, wherein the medium processing apparatus is configured to process the medium after the recording by the recording section, and wherein the heating unit includes a heating roller pair that holds the medium between a driving roller driven to rotate and a driven roller driven to rotate by the rotation of the driving roller and transports the medium, and one or both of the driving roller and the driven roller is heated.