This design provides a vacuum drying box structure.The system comprises a vacuum drying unit.One ventilation mesh cylinder unit,One vacuum pumping unit,A heating unit and an electric control unit are relatively composed；To create a unique design,So that the fruits and vegetables can be placed behind the room space of the mesh canister unit.The micro motor drives the vacuum drying box and the cylinder body to rotate slightly.Using the structure design of heating unit and vacuum pumping unit,It can make the fruits and vegetables to be dried and crisp due to vacuum heating.At the same time, the appearance of vacuum dried fruits and vegetables remained unchanged.Furthermore, it makes the creation better practical and progressive.本創作係提供一種真空乾燥箱結構，其係包含一真空乾燥單元、一透氣網筒單元、一真空抽氣單元、一加熱單元及一電控單元所相對構成；藉此創新獨特設計，使本創作可令蔬果容置於該透氣網筒單元之容室空間後，藉由該微動馬達帶動該真空乾燥箱及該筒身微微轉動，利用加熱單元及真空抽氣單元之結構設計，能使蔬果因真空加熱而令蔬果內部水份抽出轉變為乾燥酥脆之蔬果乾食品形態，同時真空乾燥完成之蔬果外觀仍維持原狀不變，進而使本創作達到較佳蔬果乾燥食品之實用進步性。
