Grain in ear solar term is characterized by abundant rainfall, the temperature significantly increased, the air humidity is large; the custom is to fight mud, Anmiao, send flowers god, boiled plum, eat junta vegetables. Grain in ear every year on June 6 or so, is one of the busiest seasons of the year, to harvest and summer sowing. The word“Grain in ear” was first recorded in the Han dynasty in the book“Zhou Li”(the rites of the Zhou Dynasty) , which states, “When Zecao is born, the grain in ear is planted.” Suitable for late rice and other cereal crops. Farming to"Grain in ear" this solar term as the boundary, after this planting survival rate is lower and lower. It is the ancient agricultural culture for the festival.