Cold potato not only has outstanding flavor, but also has medicinal value. It has the functions of clearing away heat and fire, nourishing yin and promoting fluid production. It can be eaten raw or juiced to treat fever, polydipsia and sore throat caused by cold. Irritability, hot flashes, night sweats, hand, foot and heart fever, insomnia caused by deficiency of yin and blood, and the above-mentioned similar symptoms in women's menopause.