2. The origin of the long summer:

Long summer is a solar term established at the end of the Warring States Period (239 BC), which indicates the change of four seasons and the beginning of summer in four seasons.

In fact, according to the standard of climatology, the daily average temperature rises to above 22℃ steadily, starting from summer. Before and after the "Long Summer", only the area south of Fuzhou-Nanling Line in China is really "the trees are dark in midsummer, and the balcony reflects the pond", while some areas in the northeast and northwest have just entered the spring, and the average temperature in most parts of the country is around 18 ~ 20℃, which is ". In May, Sophora japonica blooms in many places. In the long summer, everything is thriving.

3, long summer health precautions:

Long summer health should be light diet. After the long summer, we should take the principle of "increasing acid and reducing bitterness, tonifying kidney and nourishing liver, harmonizing stomach and regulating qi". Diet should be light, mainly digestible and vitamin-rich foods, and eat less big fish and meat and greasy and spicy foods. Add mung beans, lotus leaves, lotus seeds, reed roots, lentils, etc. Into japonica rice and porridge together, eat after cooling, but also play a role in invigorating the stomach and dispelling summer heat. Eating more vegetables, fruits and coarse grains at ordinary times can increase the supply of cellulose, vitamins B and C and prevent arteriosclerosis.

Long summer should take tonic to cool blood for health. After the long summer, blood heat will bring a lot of discomfort to people, and qi deficiency and blood heat will affect people's digestive function. Therefore, don't overeat every meal and leave enough room for stomach peristalsis. Give people a relaxed and natural feeling. This summer, pay attention to cooling blood and invigorating qi, go to bed early and get up early, which is the season for people to store yang and strive for a bumper harvest.