Black tea can promote blood circulation. For old friends, you can drink some black tea every day. By investigating the relationship between calcium intake and fractures, researchers at the University of Western Australia found that drinking several cups of black tea a day (with or without milk) can strengthen the bones of elderly women for five years.

2. Pu 'er cooked tea

Pu 'er cooked tea has a very prominent effect on some common symptoms of the elderly, such as reducing blood fat, preventing arteriosclerosis, preventing coronary heart disease, lowering blood pressure, inhibiting bacteria and diminishing inflammation, promoting diuresis and improving eyesight, helping digestion and preventing constipation.

3. Jujube tea

Jujube is cut with a knife and brewed with boiling water for drinking. It has the effects of invigorating spleen and regulating stomach, nourishing liver and blood, enriching blood and benefiting qi, and can prolong life after long-term drinking.