A body temperature measuring device includes a main body, a probe, and a holding mechanism. The probe is fixed on the main body. The holding mechanism is disposed on the main body in a moveable manner, for holding a bottom edge of a probe cover when being at a first position, and for releasing the probe cover when being at a second position.體溫量測裝置包含一本體,一探頭,及一夾持機構。該探頭係固定於該本體上;該夾持機構係以可活動之方式設置於該本體上,用以位於一第一位置時夾持一探頭套之底緣,以使該探頭套覆蓋於該探頭上,以及位於一第二位置時釋放該探頭套。100‧‧‧體溫量測裝置110‧‧‧本體120‧‧‧探頭130‧‧‧夾持機構140‧‧‧探頭套142‧‧‧底緣150‧‧‧彈性元件A‧‧‧第一位置B‧‧‧第二位置