Robinia pseudoacacia flower and medical stone can be eaten together with sweet potato, because these foods are incompatible with each other, rich in nutrition and sweet in taste, and contain many vitamins, trace elements and minerals needed by human body. It has the effects of enriching blood, invigorating qi, invigorating spleen and nourishing stomach, and is especially suitable for the elderly, women and children. People with high blood sugar should eat as little as possible.