First, the origin of solar terms from summer solstice is the earliest festival in China, which was also called "Summer Festival" and "Summer Solstice Festival" in ancient times. In the ancient summer solstice, people prayed for disaster and prosperity by offering sacrifices to God. The Book of Rites also records the obvious phenomenon of solar terms in nature from summer to solar day: "From summer to solar day, antlers are untied, cicadas begin to sing, Pinellia ternata is born, and hibiscus is glorious." It shows that the antlers can be cut at this time, cicadas begin to sing, and Pinellia ternata and hibiscus gradually bloom. Historical records? Guan Chan Jing records: "On the summer solstice, people worship the land with music and dance."
As an ancient festival, the summer solstice began in the Song Dynasty, and officials have a three-day holiday. In Liao Dynasty, this day was called "summer solstice", and women entered colorful fans to give each other a legacy (Liao history). In the Qing dynasty, it was also called "summer solstice is a day's transition, and the sun, the next day and the last day were called" three hours ",so people lived cautiously.
Second, how to maintain health in summer until the solar term "Su Wen Si Qi Tiao Shen" said: "Make ambition not angry, make Huaying show, and let the gas vent. If you love outside, this summer should be the way to grow up. " In other words, in summer, you should be calm, cheerful, broad-minded and energetic. Just like everything needs sunshine to grow, you should have a strong interest in external things and cultivate an optimistic and outgoing personality, which is conducive to the ventilation of qi. On the contrary, you should not be lazy, bored, angry and depressed, which will hinder the operation of qi. Ji Kang's "On Health Preservation" has a unique view on hot summer, which is considered to be hot. "pranayama is more appropriate, and often the heart is like ice and snow, and the heat in the heart will decrease. You can't turn heat into heat and then heat. " That is, "peace of mind is naturally cool". What I am talking about here is mental conditioning in summer health preservation.
In the theory of TCM health preservation, summer is the season with the highest yang. On the one hand, the health care in this season should conform to the characteristics of abundant yang in summer, and pay attention to protecting yang; On the other hand, summer is also a time of so-called "life-and-death struggle between Yin and Yang", as the saying goes, "midsummer-yin is born", that is to say, despite the hot weather, it has begun to grow.
At this time, in order to adapt to the changes of yin and yang in nature, it is generally appropriate to go to bed late and get up early and take a lunch break to make up for the lack of sleep at night. The elderly and infirm should go to bed early and get up early, and try to keep 7 hours of sleep every day. During the summer solstice, most people will have symptoms of drowsiness, fatigue, headache and dizziness, which may seriously affect their daily life and work. The reasons are as follows: firstly, due to the high temperature in this season, the human body can only dissipate heat by sweating, resulting in a large amount of water loss. At this time, if the water is not replenished in time, the blood volume of the human body will be reduced, and the blood supply to the brain will be insufficient, which will lead to headache and dizziness. Another cause of headache and dizziness is that when people sweat, the blood vessels on the body surface will expand and more blood will flow to the body surface. This redistribution of blood can make people with low blood pressure lower, thus causing headaches and dizziness.
Summer exercise is best done in the early morning or in the cool night. The venue should be selected in rivers and lakes, parks, courtyards and other places with fresh air. People with conditions can go to forests and coastal areas for recuperation and vacation. Walking, jogging, Tai Ji Chuan and radio exercises are the best sports, and it is not advisable to do excessive and strenuous activities. If you exercise too much, you may sweat and sweat too much, which will not only hurt Yin Qi, but also Yang Qi. During exercise, when you sweat too much, you can drink light salt boiled water or mung bean brine soup properly, and you must not drink a lot of cold boiled water, let alone punch in the shower with cold water immediately, otherwise it will cause diseases such as cold-dampness arthralgia and yellow sweat.
Diet conditioning, there is a saying that heart fire is in season in summer, and excessive heart fire inhibits lung gold (five-element view). Therefore, according to the relationship between five elements (summer is fire), 50% (summer is long), five internal organs (heart) and five flavors (bitterness), there is a saying that "summer does not eat heart", and bitter things can also help heart and control lung qi. Summer is also the season of sweating. If you sweat more, you will lose more salt. If the myocardium is short of salt, the heartbeat will be abnormal.