Diabetic seniors with calcium deficiency can take calcium supplements through diet and medication under the guidance of a doctor. 1. Diet: When diabetic seniors need to supplement calcium, they can do so through food, such as milk, eggs, shrimp, fish and other calcium-rich foods, but they need to pay attention to a balanced and nutritious diet, and avoid high-sugar, high-fat and high-calorie foods. 2. Drugs: diabetic seniors want to achieve good calcium supplementation, you can use calcium tablets, vitamin D preparations and other drugs for supplementation, the use of drugs need to be guided by a professional doctor. Diabetic elderly daily attention to appropriate exercise, such as slow walking, square dancing, playing Tai Chi, etc., to strengthen the body, in addition should pay attention to appropriate sun exposure, is conducive to the absorption of calcium. Diabetic elderly people who need to take calcium supplements are advised to consult a medical professional to avoid serious consequences.