Sweet potatoes and crabs can be eaten together, but need to be in moderation. Sweet potatoes and crabs can be eaten together, the two together will not appear adverse reactions, and is good for the human body. Sweet potatoes are sweet and nutritious, and each 100g of sweet potatoes contains 1.1g of protein, 24.7g of carbohydrates, 130mg of potassium, 750mg of carotenoids, and 26mg of vitamin C, all of which are nutrients that the human body needs. Crab is delicious and nutritious, every 100g of crab contains 13.8g of protein, 208mg of calcium, 260mg of sodium, 232mg of potassium, these substances can provide the body with the nutrients needed. Sweet potatoes and crabs can be eaten together, can be better for the body to supplement nutrition. However, it is recommended that we eat in moderation, reasonable collocation, balanced nutrition.