Detailed explanation of the twenty-four solar terms-rain

February 20 19 14 is a rainy solar term, when the sun reaches 330 degrees of the yellow meridian, which is the second solar term in a year. Rain has two meanings, one is that the weather gets warmer and the precipitation increases gradually, and the other is that there is less snow and more rain. "Twenty-four solar terms" said: "In the first month, water is in the sky. Spring belongs to wood, but there must be water for those who grow wood, so there is rain in beginning of spring. If the east wind melts, it will disperse into rain. " Rain, like Grain Rain, light snow and heavy snow, is a solar term reflecting precipitation.

The rain solar term generally starts from February 18 or 19 and ends on March 4 or 5. The direct point of the sun is approaching the equator from the southern hemisphere. At this time, the sunshine hours and intensity in the northern hemisphere are increasing, the temperature is rising rapidly, and the warm and humid air from the ocean is becoming active and gradually moving northward. At the same time, cold air is not to be outdone in the weakening trend, and it frequently competes with warm air, unwilling to quit its hegemony and refuse to take away the residual cold.

Before and after the rain and solar terms, everything began to sprout, and spring has arrived. For example, Yizhoushu has phenological records such as "Hongyan coming" and "vegetation sprouting" after the rain.

First, how to maintain health in rainy and solar terms Chinese medicine believes that the spleen and stomach are the foundation of the day after tomorrow and the source of qi and blood biochemistry. If the spleen and stomach function is healthy, the constitution will be good. After the solar term of rain, with the increase of rainfall, the evil of cold and dampness is most likely to trap the spleen. At the same time, it is difficult to get rid of the lingering dampness, and the spleen should be maintained before and after the rain. In the rainy solar terms, the humid atmosphere gradually rises, and dew and frost appear in the morning. Therefore, in view of such climate characteristics, diet recuperation should be based on conditioning the spleen and stomach, expelling wind and removing dampness.

Sun Simiao, the king of medicine in the Tang Dynasty, said, "Eat porridge in spring", and said, "Sour and sweet should be preserved in spring to nourish temper". Therefore, eating porridge, moderate sweets and less acid is beneficial to regulating the liver and strengthening the spleen. For example, honey, jujube, yam and tremella are all supplements suitable for this solar term. In addition, coix seed is a common medicinal material in traditional Chinese medicine prescriptions. According to Compendium of Materia Medica, coix seed can strengthen spleen and stomach, eliminate edema, remove rheumatism, relax muscles and bones, and clear lung heat. It is also a famous whitening food. The Chinese herbal medicine is Coix seed, also called Coix seed, which has the best effect! For example, in Shen Si soup, which can be seen everywhere in Taiwan Province Province, barley seed is often added, which is a good tonic and can nourish and maintain the spleen and stomach.