Heat preservation device for severed finger replantation patient

The utility model discloses a heat preservation device for a severed finger replantation patient. The heat preservation device comprises a box body with a transparent whole body, an inlet and an air outlet are respectively formed in the left and right sides of the box body; a box door opening is formed in the front side face of the box body, and a box cover is arranged at the box door opening in a matched mode, wherein the lower end of the box cover is hinged to the box body; a first clamping block used for clamping the box cover is hinged to the front side face of the box body. A window is arranged on the box cover, and a window cover is arranged at the window in a matched mode, wherein one side of the window cover is hinged to the box cover, and the window cover can be overturned outwards; a second clamping block used for clamping the window cover is hinged to the front side face of the box cover. The box cover and the window cover are transparent; an irradiation lamp is arranged in the box body; a supporti