The utility model provides an ultraviolet sterilization device, which is mainly provided with at least one ultraviolet generating unit, at least one heating unit, a temperature sensing unit and a microcontroller on a main body part, and a reflecting layer on the inner surface of the main body part.The UV generating unit is used to project an UV light to a holding space of the main part, the heating unit is used to increase the temperature of the holding space, and the temperature sensing unit is used to measure the temperature of the holding space.The reflecting layer can reflect the ultraviolet light produced by the UV generating unit, so that the ultraviolet light is transmitted to each area of the holding space, thereby improving the sterilization effect of the articles in the holding space.本新型提供一種紫外光殺菌裝置，主要於一主體部上設置至少一紫外光產生單元、至少一加熱單元、一溫度感測單元及一微控制器，並於主體部的內表面設置一反射層。紫外光產生單元用以向主體部的一容置空間投射一紫外光，加熱單元用以增加容置空間的溫度，而溫度感測單元則用以量測容置空間的溫度。反射層可用以反射紫外光產生單元所產生的紫外光，使得紫外光傳送到容置空間的各個區域，藉此以提高對容置空間內的物品的殺菌效果。
