Grapes contain as much as 10-30% sugar, glucose is not able to replenish blood, therefore, grapes do not have the function of blood replenishment, can not play the effect of blood replenishment, glucose is only a kind of energy. To replenish blood, we must find out the cause of anemia, and then carry out symptomatic treatment. If you need to replenish blood, diet, it is recommended to eat some food with high iron content, meat, vegetables, such as black fungus, black beans, beef, lamb, but also pay attention to nutritional balance, supplement some vitamins, you can eat some animal organs, chicken blood, duck blood, carrots, pineapple and so on.