Autumn comes, the climate changes from hot to cool, and the moisture in the air decreases. Compared with the hot summer, the human body's ability to actively replenish water is obviously insufficient, which leads to a series of physiological changes caused by dryness, which is often called "autumn dryness". The main clinical manifestations of autumn dryness are thirst, dry throat, hoarseness, dry cough and dull skin. If autumn dryness hurts the gastrointestinal tract, it will lead to heart heat, polydipsia, loss of appetite, dry stool and so on. Generally healthy people can adapt to various climate changes, but for the elderly, this is indeed a severe test. Because the old people have poor adaptability to climate change, their body resistance decreases, and they are prone to catch a cold or induce upper respiratory tract infection, bronchitis, emphysema, pulmonary heart disease, coronary heart disease and cardiovascular and cerebrovascular diseases. The diet principle of the elderly in autumn is to prevent autumn dryness: it is advisable to eat more foods that nourish yin and moisten the lungs, promote fluid production and clear dryness, such as radish, tremella, pear, lily, water chestnut and sesame. In addition, drink more boiled water, light tea, soybean milk and milk.

Diet should be "less spicy and more sour". Due to the dry climate in autumn, it is not advisable to eat fried, fried, hot, dry and greasy things; You should eat less spicy and fragrant products such as onion, ginger, garlic, leek, pepper (including pepper, pepper and pepper) and spirits.

In late autumn, the essence of the human body begins to be sealed, and eating some nourishing food is easier to be absorbed and stored, which is conducive to improving the function of viscera and enhancing physical fitness. For the elderly patients with chronic diseases with weak constitution, tonic can improve their physique, eliminate diseases and prolong life. You should eat more chicken, duck, beef, pork liver, fish, lotus seeds, walnuts, longan, jujube and other foods.