What is the medicinal value of potatoes? Although potatoes are insignificant, but the use of good but can play a big role: 1, skin allergies, redness and swelling with ice potato slices, can reduce swelling. 2, mosquito bites with ice potato slices can stop the itch. 3, skin ulcers do not heal with ice potato slices compress. 4.Ice potatoes can be used to relieve pain and prevent scleroderma after infusion of superficial phlebitis and pain. 5.Ice potato slices can be used to eliminate bags under the eyes and go to the dark circles.