New ice cream stains can be washed with warm water and enzyme-added washing powder. If the area is too large, you can soak the clothes in the washing liquid for 30 minutes before rubbing them, and finally rinse them with clean water.
For the old ice cream stains, you can first apply gasoline to the dirt, wipe off the grease, then rub it with 1:5 ammonia water and aqueous solution, wait for the stain to be removed, then wash it with soap or detergent, and rinse it with clean water.
In addition, when cleaning ice cream stains, you can also make a solution with one teaspoon of sodium borate and one teaspoon of water, soak the stained area in the solution, then wash with water and brush carefully.