Potatoes and eggs can't be eaten together, because there is a small amount of protein in eggs, and potatoes are mostly starch. When we eat them, when starch and protein are dissolved with gastric acid in the stomach, a harmful substance will be produced.

Tomatoes+potatoes and peas will produce a lot of hydrochloric acid in the gastrointestinal tract of human body. Tomatoes can produce water-insoluble precipitation in strong acidic environment, which leads to poor appetite and indigestion, so they can't be eaten together.

Sweet finches and potatoes are easy to get freckles on their faces.

Pomegranate+potato will be poisoned, and leek water can be used to detoxify.

Persimmon+Potato Eating potatoes will produce a lot of hydrochloric acid in people's stomach. If they eat persimmons again, persimmons will precipitate under the action of gastric acid, making it difficult to digest and excrete.