The medlar packing plate is put into the conservative medlar drying room, the control panel adjusts the temperature, the inlet air temperature is controlled 55~60, the return air temperature is controlled 40~45, the inlet air humidity is controlled 35, the wind speed is controlled around 0.20 m/s~0.35 m/s, and the drying time is controlled 33~35 hours, the material can be dried thoroughly.

This method has low drying cost, large handling capacity, easy operation, high quality and stability.