The invention belongs to the technical field of food processing, and particularly relates to a potato product or a potato powder product and a preparation method thereof. The potato product or the potato powder product comprises the following raw materials in parts by weight: 100 parts of the potato products or the potato powder products, 0-100 parts of ground meat or dried meat floss, 0-100 parts of dried fruits, 0-100 parts of nuts and 0-100 parts of chocolates, wherein the potato products or the potato powder products are in the shapes of pieces, balls, blocks or strips; meat selected for the ground meat or meat selected for the dried meat floss is beef, mutton, pork, chicken meat, duck meat or fish meat; the dried fruits are dried mangos, dried durians, raisins, dried strawberries, dried kiwi fruits, dried longans, dried waxberries, dried lemons or dried apricot pulp; the nuts are broad beans, pecans, pine nuts, macadamias, cashews, pistachios, peanuts, hazelnuts, shelled melon seeds or walnuts. The preparation method comprises the following steps: covering the ground meat or the dried meat floss, the dried fruits, the nuts or the chocolates on the potato products or the potato powder products; and packaging the potato products or the potato powder products and the ground meat or the dried meat floss, the dried fruits, the nuts or the chocolates. According to the potato product or the potato powder product and the preparation method thereof, people can enjoy multiple great tastes when having a bite of the potato products or the potato powder products.