Elderly people who need to take calcium supplements due to illness can take Calcium Erci orally. Calcium Erci is the trade name and the generic name is Calcium Carbonate D3 Chewable Tablets. Calcium carbonate D3 chewable tablets are common calcium supplements, which can be used as calcium supplements for pregnant, lactating, menopausal women, the elderly and so on, and can also prevent osteoporosis. Calcium carbonate D3 chewable tablets, which contain calcium carbonate and vitamin D3, are mainly used as calcium supplements during pregnancy, lactation, menopausal women, the elderly and so on, and can also prevent osteoporosis in middle-aged and elderly people. It can be applied to the elderly, and should be contraindicated in hypercalcemia and hyperuricemia. Common adverse reactions are belching and constipation. Hypercalcemia can occur with overdose. Use should consult with the doctor, should not be more than the recommended amount of consumption, daily eat more fruits and vegetables, eat food containing higher calcium, pay attention to exercise Physical exercise should be emphasized.