The utility model relates to a food drying machine with energy saving effect.The system includes an ontology.The body has a holding space.The body is provided with an air inlet channel and an exhaust channel.And the exhaust channel is arranged on one side of the intake channel.The outlet of the air inlet passage is further provided with a heating device.And the holding space is provided with at least one circulating fan.In this way,The hot and humid air discharged from the exhaust passage can exchange heat with the unheated cold air in the intake passage.The unheated cold air in the intake channel can be heated in advance.To reduce the amount of thermal energy needed,Baldar reduces costs.In line with the economic benefits of industrial utilization,Thus, the food dryer with energy-saving effect has energy-saving effect.一種具有節能效果之食品乾燥機，其係包含有一本體，該本體具有一容置空間，且該本體設有一進氣通道及一排氣通道，而該排氣通道係設於該進氣通道之一側，該進氣通道出口處更設有一加熱裝置，且該容置空間設有至少一循環風扇，藉此，該排氣通道所排出的溼熱空氣可與該進氣通道中未加熱的冷空氣進行熱交換，使該進氣通道中未加熱的冷空氣可預先受熱升溫，以減少所需之熱能源，俾達降低成本，符合產業利用之經濟效益，從而使該具有節能效果之食品乾燥機具有節能之效果。
