The invention provides an ice storage tank with a de-cold device of an evaporative supercooled water continuous ice-making system, which can effectively remove the supercooled state of supercooled water and realize the separation of ice and water. In the ice storage tank, the supercooled water drop impacts a metal mesh for de-cold. The invention is characterized in that two adjacent inclined planes of the wave-shaped metal mesh lead part of water drops which fall on the metal mesh to mutually collide after rebounding; and small ice crystals can be accumulated at the included angle of the inclined planes during the de-cold course, and the action of the small ice crystals is similar to that of the nucleating agent added to the supercooled water; additionally, the tail end of the metal mesh at the top layer is installed on a spring and can speed up nucleating and freezing of the supercooled water under the actions of impacting, vibrating and the 'nucleating agent'. The ice floats at the upper part of the ice storage tank under the action of floatation; except for de-cold, the metal mesh which is aslant installed at the lower layer can separate ice from water. The ice storage tank provided by the invention is mainly applied to the evaporative supercooled water continuous ice-making system.