A portable ultraviolet drying sterilization box is mainly composed of a box body, an upper cover and a supporting frame. Wherein, the box system is provided with an air inlet and an air outlet, a seat is provided at the position of the air inlet, a control circuit is provided in the seat, and a setting button, a fan and an electric heating element connected to the control circuit, and A UV ultraviolet lamp (or UV ultraviolet LED) makes the setting button protrude from the upper cover. For use, put the cleaned personal clothing in the box, through the setting of the setting button, through the control circuit to drive the fan and electric heating element, so that the temperature inside the box can be raised for heating and drying, and by UV Ultraviolet light (or UV ultraviolet LED) can continuously irradiate the underwear for sterilization, so that the underwear can be dried and sterilized quickly after washing.一種便攜式紫外線烘乾殺菌箱，其主要係由一箱體、一上蓋、一承架所組合構成。其中，該箱體係設有進氣孔及出氣孔，於該進氣孔位置設有一座體，於該座體內設有一控制電路，以及連接於該控制電路之設定鈕、風扇及電熱元件，以及一UV紫外線燈(或UV紫外線LED)，使該設定鈕由上蓋突露。俾於使用時，將清洗後之貼身衣物放置於箱體內，藉由設定鈕的設定，經控制電路驅動風扇及電熱元件，使箱體內部之溫度得以提升俾遂行加熱烘乾，且藉由UV紫外線燈(或UV紫外線LED)可持續照射貼身衣物進行殺菌，從而使貼身衣物於清洗後，可快速達到烘乾及殺菌之效果。
