Sweet potatoes, pears and apples do not have components that can have obvious toxic reactions, so sweet potatoes can be eaten in moderation with pears and apples. Every 100 grams of sweet potato contains calcium 23 mg, potassium 97 mg, iron 1.1 mg, selenium 2.5 micrograms, manganese 1.36 mg, phosphorus 121 mg, sodium 2.4 mg, zinc 1.45 mg, copper 0.19 mg. Each 100 grams of pear contains 44 calories, 13.3 grams of carbohydrates, 3.1 grams of dietary fiber, 0.4 grams of protein, 0.2 grams of fat, 33 micrograms of carotene, 6 micrograms of vitamin A, vitamin E 1.34 milligrams of vitamin E, 92 milligrams of potassium and so on. Per 100 grams of apples contain 13.6 grams of carbohydrates, 0.2 grams of protein, 0.2 grams of fat, 1.7 grams of dietary fiber, vitamin A8 milligrams, 50 milligrams of carotenoids, 0.01 milligrams of riboflavin, 0.2 milligrams of niacin, 4 milligrams of vitamin C, 2.12 milligrams of vitamin E, and so on. The nutrients in sweet potatoes and pears and apples do not conflict, so they can be eaten together and also ensure food diversity. But be careful to eat in moderation to avoid consequences such as diarrhea and indigestion.