First, exercise properly to increase cold resistance. The elderly, especially patients with cardiovascular and cerebrovascular diseases, should try to avoid excessive exercise, such as running, but they can do morning exercises, beat their limbs, bend over and do Tai Chi. Pay attention to keep warm during exercise, and you can practice washing your hands and face with cold water at ordinary times. Houses in the north, the temperature is very high, the outdoor temperature is very low, so pay attention to entering and leaving.

Second, a reasonable diet, less oil and less salt. Salt is indispensable in people's diet, but if the intake of salt is too high, it will lead to the increase of blood lipid and blood pressure. For the elderly, it is even more necessary to eat less salt. The state stipulates that the daily intake of salt per person should not exceed 6 mg, especially for the elderly. Oil is the enemy of cardiovascular and cerebrovascular diseases. Therefore, the elderly should eat less greasy food, which will not only increase the burden on blood vessels, but also easily cause gastrointestinal discomfort.

Third, choose more high-protein foods. The kidneys of the elderly are mostly weak. Therefore, supplementing protein for the elderly can tonify the kidney. But eggs should be controlled, because yolk is cholesterol, which will increase the burden of blood and lead to increased blood lipids. You can choose yogurt appropriately, female friends drink more soy milk, and male friends drink more milk.

Fourth, eat more vegetables to prevent constipation. Old people are prone to constipation because of slow gastrointestinal peristalsis. It is suggested that eating more vegetables can relieve constipation.