Chestnuts have the effect of nourishing the stomach and strengthening the spleen, which is a good tonic at this time. Frost is spread all over vegetation and rocks, commonly known as frosting. Frosted vegetables such as spinach and wax gourd are particularly delicious, and frosted fruits such as grapes are particularly sweet. On the day of the first frost, people from Fujian and Taiwan have to make up for it, which is what we often say, "autumn fat." Some places want to eat red persimmons, thinking that they can keep out the cold and replenish their bones and muscles.
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After the first frost, maple, cotinus coggygria and other trees began to turn red and yellow, all over the mountains, very spectacular. When you go out to climb mountains and enjoy the beautiful scenery, you must keep warm, especially protect your knees, and you must not exercise excessively.
When the knee joint encounters cold stimulation, blood vessels contract and blood circulation becomes worse, which often aggravates the pain. Therefore, pay attention to keep warm in cold weather and wear knee pads when necessary. When the elderly exercise, it is not advisable to bend their knees for a long time to reduce the load on the knee joint as much as possible.
People's Network-The "first frost" solar term adds clothes to keep warm, light and moist.