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What does it mean to be cool for three days in summer?
There is no new cool value in the dog days of summer, and the knowledge of solar terms is golden.

20 13-08-22? |? Purple clothes world? |? Transfer to Tibet (20)

The origin of intense heat

Summer is the fourteenth of the twenty-four solar terms. August 23rd this year is the summer heat, which is tomorrow.

Summer is a solar term reflecting the temperature change. "Chu" means to hide and die, and "early summer" means that the hot summer has passed. "Twenty-four solar terms" said: "Go, go, the heat is over." "Chu" means termination, which means that the summer heat is about to pass, the summer heat will end on this day, and the temperature in most parts of China will gradually drop. Being in summer is not only different from mild summer, severe summer, slight cold and severe cold, but also represents the transition from hot to cold.

In ancient China, the summer heat was divided into three stages: "The eagle is a sacrificial bird; Second, wait for the beginning of heaven and earth; " Wait for the third time, Walden. "In this solar term, eagles began to catch a large number of birds for summer health; Everything between heaven and earth began to wither; " "Henaideng" refers to millet, millet, rice and sorghum crops, and "Deng" means maturity.

Climatic characteristics

Entering the summer heat, the temperature has also entered a stage of significant change, which is decreasing day by day and is no longer urgent. A large number of practical proverbs left by the ancients, such as "One autumn rain and one cold", "Three rains in beginning of autumn, the flax fan hangs high", "beginning of autumn is cool in summer" and "Summer heat does not come", are all direct descriptions of climate change in the hot summer season. But in general, the climate in summer is characterized by hot in the daytime, cool in the morning and evening, large temperature difference between day and night, less precipitation and low air humidity. In such an environment, people are prone to dry nose and mouth, dry throat and burning lips. Therefore, don't add too much clothes to avoid covering, but don't be too cold.

Summer custom

1, travel to welcome autumn

Worshipping ancestors to welcome autumn in summer is mostly related to the folk customs before and after the solar terms. Around the summer vacation, there will be folk activities to celebrate the Central Plains, commonly known as "July 30" or "Central Plains Festival". In the old days, there was a ceremony to open the gate of hell from the beginning of July until the gate of hell closed at the end of the month, and Purdue giving activities were held. In addition, after summer, autumn is getting stronger, which is a good time for people to go swimming in the suburbs to meet autumn scenery.

2. River lamp

River lanterns, also known as "lotus lanterns", usually put lights or candles on the base, and put them into rivers, lakes and seas during the Mid-Autumn Festival to let them float. River lanterns are for ghosts such as drowning in Purdue water.

3. Fishing Festival

For coastal fishermen, summer is the harvest season, because the water temperature in the sea area is still high at this time, fish will still stay around the sea area, and fish, shrimp and shellfish will mature. Therefore, from this time on, people can often enjoy all kinds of seafood.

Chushu health care

Eight-character formula of summer diet

Nourishing yin: honey is the first choice for food supplement

After the summer heat, we should take the maintenance of the "Yin Qi" in the body as the primary task. There are also many foods that nourish yin, such as loach, walnut, milk, peanuts and so on. One of the most representative is honey. Honey has the effects of nourishing yin and moistening dryness, moistening lung and tonifying deficiency, moistening intestine and relaxing bowels, detoxifying, nourishing temper and pleasing color, so it has the reputation of "essence in flowers". Honey is a very good energy supplement, which has a significant effect on relieving fatigue.

Polyacid: Grape is the first choice for complementary food.

"Less spicy and more sour" is one of the most important dietary principles in TCM nutrition when summer and autumn overlap. At this time, if you want to turn sour, you should eat more sour fruits. At present, a large number of grapes are listed, which is a "sour" good fruit. Grapes can replenish qi and blood, promote fluid production to quench thirst, strengthen spleen and promote diuresis. Eating more grapes in early autumn can also help the body detoxify and relieve excessive internal heat.

Moistening dryness: lotus root is the first choice for food supplement

After the heat, the air is dry and people are easily agitated. At this time, you should eat more foods that are pure and moist to eliminate autumn dryness, such as lotus roots, chrysanthemums and duck meat. Lotus root is the first choice. Lotus root can stimulate appetite, clear away heat, moisten dryness, quench thirst, clear heart and soothe the nerves. It is rich in trace elements such as iron and calcium, plant protein, vitamins and starch. It has obvious effects of enriching blood and benefiting qi, and can also enhance human immunity.

Bufei: Almond is the first choice for food supplement.

Summer is the best time to nourish, tonify deficiency or treat lung diseases. There are tremella, lily, pig lung, persimmon, loquat, water chestnut and so on. Among them, almonds are the best in the season. Almonds are divided into sweet almonds and bitter almonds, and sweet almonds have the effect of nourishing the lungs.

Three functions of almond: moistening lung, clearing accumulation and dispersing stagnation. Almond is rich in protein, trace elements and vitamins, which has the effects of moistening lung, relieving cough and relaxing bowels, and can relieve dry cough without phlegm and chronic cough due to lung deficiency.

Prevent autumn dryness and catch a cold when sleeping.

After the summer heat, the weather is often dry and rainy, and the human skin may become tight, even peeling and desquamation, dull hair, dandruff, chapped lips or dry stools and other symptoms. This phenomenon is called "autumn dryness", which belongs to warm dryness, and the climate change is quite different, which often makes some diseases relapse or aggravate at this time, such as asthma. In addition, due to the large temperature difference between morning and evening, it is easy to catch a cold.

It is easy to catch a cold in summer. The best way to prevent autumn dry cold is to strengthen physical fitness, especially to pay attention to adequate sleep and sleep quality.

Sleep can eliminate fatigue and make the brain and body have a full rest, so sleep is also one of the important methods of health preservation, so we should make full use of sleep to regulate the body.