Foods rich in potassium are as follows: 1. vegetables, such as celery, leeks, spinach, cabbage, tomatoes, potatoes, eggplant, beans, these vegetables are rich in potassium. 2. fruits, such as oranges, lemons, grapefruit, oranges, watermelon, bananas, these fruits are also rich in potassium. 3. legumes, such as soybeans, green beans, black beans, red beans, these legumes are also very rich in potassium. 4. 4, all kinds of mushrooms, such as fungus, mushrooms, monkey head mushrooms, these mushroom food is also rich in potassium.