Red beans, yam, pineapple and cantaloupe can be eaten together, because these foods are incompatible with each other, and there will be no adverse reactions when they are eaten together. Red beans and yam are rich in protein, which have the effects of enriching blood, invigorating qi and kidney, invigorating spleen and stomach, and caring skin. Pineapple and cantaloupe are rich in vitamins, which have the functions of anti-aging and enhancing immunity. Eating them together has more comprehensive nutritional value.