The invention relates to a dry sterilizer,The utility model is composed of a carrier with at least one storage space,And the inner surface of each storage space of the carrier is provided with at least one electric heating layer,Moreover, the carrier is provided with at least one heat conducting layer on the other side of the electric heating layer,After conducting electricity selectively, the electrothermal layer can be heated and heated,Through the heat conducting layer, the temperature distribution inside the carrier storage space is uniform,In this way,It can carry out continuous high temperature sterilization on the mask in the storage space,To protect personal hygiene,And promote the safety of repeated use of masks,At the same time, it can be effectively applied to typical mobile phone charger or mobile power supply,It is convenient to use.本創作涉及一種乾式殺菌器，其係由一具至少一收納空間之載體所構成，且該載體之各該收納空間內面具有至少一電熱層，再者該載體於電熱層另側設有至少一導熱層，供該電熱層選擇性導電後可加熱升溫，且透過該導熱層使載體收納空間內部達到均溫效果，藉此，能對收納空間內之口罩進行持續性高溫殺菌，以保護個人衛生，且促進重覆使用口罩的安全性，同時能有效應用於典型手機充電器或行動電源，而具有使用便利性之效。
