Walnuts have a certain effect of calcium supplementation, but its calcium content is limited, and its calcium supplementation effect is also limited. Walnuts are a kind of common nuts in life, with high nutritional value. Walnuts are rich in vitamins, energy, and copper, iron, phosphorus, zinc and other minerals, moderate consumption can supplement the body’s nutrients. Walnuts also have a certain amount of calcium content, each 100g walnuts contain 56mg of calcium, but it accounts for less, so its effect of calcium supplementation may not be too obvious, if the lack of calcium is serious, it should be treated by a doctor, under the guidance of the doctor using calcium supplements for supplementation. In daily life, it is recommended to consume walnuts in moderation and not in excess to avoid discomfort.