To provide a simple electric cooling device which can be used for a flower vase, can suitably adjust temperatures in response to all flowers, can easily cool water in the flower vase, can stir air cooled with the cooling device and placed in the bottom portion of the flower vase by the use of an air-stirring device, can thereby preserve cut flowers for a long period of time and can further thereby reduce the cost of the cut flowers, a cost for maintaining and controlling the cut flowers, and works therefor.

This simple type cooling device for a flower vase, obtained by packaging a cooling device 1a with a cut flower stem-protecting net lb, fixing a cut flower-inserting net 1c to the cut flower stem-protecting net 1b with fixing bars 1d, and disposing a water temperature-adjusting device 1e which can freely adjust the temperature of the cooling device to control the temperature of the water in the flower vase, between an electrical cord 1f having an appearance similar to the vine of a plant and an electrical outlet to be connected to the cooling device.