1, Grain Rain, is the sixth solar term among the 24 solar terms and the last solar term in spring. Combat refers to Chen; The meridian of the sun is 30; Celebrate every April 19-2 1 in Gregorian calendar.

2. Grain Rain is taken from the meaning of "Rain gives birth to hundreds of valleys". At this time, the precipitation increased obviously. The seedlings and new crops in the field need the rain most. With sufficient and timely rainfall, cereal crops can thrive.

3. Like the solar terms of rain, Xiao Man, light snow and heavy snow, Grain Rain is a solar term that reflects the precipitation phenomenon and ancient farming culture.

4. In Grain Rain season, obvious rain often begins to appear in southern China, especially in southern China. Once cold air meets warm and humid air, it will often form rainy weather for a long time.

5. The Huaihe River in Qinling Mountains is a transitional area between the spring rain area in the south and the spring drought area in the north. From the vicinity of Huaihe River in Qinling Mountains to the north, the spring rain drops sharply. In the northern region, Grain Rain is a symbol of the "final frost".

6. The continuous spring rain is the most important feature of Grain Rain. The name "Grain Rain" comes from the old saying "Rain gives birth to hundreds of valleys", which reflects the agricultural climate significance of solar terms. Folk festivals in Grain Rain include picking Grain Rain tea, visiting Grain Rain, offering sacrifices to the sea, eating spring and enjoying flowers.

7. In some works of ancient China, Grain Rain is divided into three stages: "The first stage is the beginning of life; The second time, pigeons blow feathers; The third is that Dai Sheng fell to Sang. " After Grain Rain, rainfall increased, duckweed began to grow, then cuckoo began to remind people to sow, and then Dai Sheng birds began to be seen on mulberry trees.