Potato shreds, carrot shreds, kelp shreds, soybean sprouts and pork shreds are stir-fried together and called vinegar three shreds. According to relevant public information, potatoes, pumpkins, and sweet potatoes look similar in color, but have different tastes. They taste rich in texture, and because of the addition of vinegar, they are sour, sweet, crunchy, and very refreshing. Therefore, shredded potatoes, shredded carrots, shredded kelp, soybean sprouts and shredded pork are stir-fried together and are called vinegar-based three shreds.