The utility model discloses a multi-section-hot air self circulation medlar drying machine which is provided with a tunnel type long drying chamber (1), a material inlet (2), a material outlet (3), a pipeline, and an air supplying and discharging device formed by a fan. A material conveying device and a pushing device of the conveying device are arranged in the tunnel type drying chamber, a container for containing material is arranged on the conveying device, a hot air production device produces high temperature media, the communicated drying chamber is divided into at least two or more than two drying rooms along the longitudinal direction, each drying room is provided with a hot air drying system, which exhausts part of damp and hot air of water content of dried material in the drying rooms to be mixed with the high temperature media, and the air flows to the material through an air feeding branch pipe horizontally. In the utility model, as the circulation fan is arranged, the air output is increased, the drying speed is quickened, the drying strength is improved, the energy consumption is reduced, and the multi-section-hot air self circulation medlar drying machine can be well suitable for drying of various materials.