Disclosed herein are a non-chlorinated liquid composition for snow/ice removing and preventing freezing in winter and a method of removing snow by the use of the composition. The composition of the present invention comprises alkali metal and alkaline earth metal acetate and formate, chitosan, corrosion inhibitor, and water. The composition of the present invention is not corrosive, is environment-friendly, has no remaining odor, and does not undergo recrystallization thereby to show a good effect on snow removal. The present invention provides a method of removing snow by heating the composition of the present invention and spraying the heated composition on road and the like to melt accumulated snow. The method of the present invention shows a good effect on snow removal, since the heating synergist ical Iy acts with the snow-removal property of the composition per se.
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