Food containing copper: 1, shellfish in the sea, such as oysters, scallops, abalone, these shellfish are rich in copper; 2, animal offal, such as pig liver, chicken liver, duck liver, goose liver, pig kidney, chicken kidney, sheep kidney, in these animal offal contains a lot of copper; 3, nuts, such as walnuts, hazelnuts, pine nuts, pistachios, in these nuts contain a lot of copper; 4, legumes, such as soybeans, green beans, red beans, black beans are also rich in copper.