Sophora flavescens (scientific name: Sophora flavescens), alias wild, good man, bitter bone, earth bone, mantle, hawthorn, is a plant of the genus Sophora. Growing in an area of ​​1,500 meters above sea level, it is mostly born on hillsides, sandy land, grassy slopes, shrubs and fields. It has not yet been artificially introduced. Indications: heat and dampness, insecticide, diuretic.

“Jianping Red Bean” has bright color and good gloss; the bean is even and full; it is easy to cook, and the bean paste is soft after cooking. There is a reputation of “ruby” in the local area. Jianping red bean is flat, sweet, rich in dietary fiber, it has the effect of laxative, lowering blood fat, regulating blood sugar, bodybuilding and weight loss.

Jianping County and its surrounding areas are located at the south side of the middle section of the Nuluer Mountain Range in the Yanshan Mountains. The terrain is relatively flat and the soil layer is deep. Thanks to the unique natural conditions such as climate, soil and water quality, the county has been rich in cereals and other grains since ancient times. The hometown of miscellaneous grains. Xiaoping County, Jianping County has also been favored by many merchants across the country, commonly known as "Jianping millet." “Jianping millet” is highly nutritious and rich in protein, crude fat, vitamins and selenium. Beige golden, the entrance is sweet and soft after cooking, leaving a mouthful of fragrance, and there is a natural fragrance of Jianping, no smell.

Jianping County is rich in agricultural resources, and “Jianping Buckwheat” is one of its main agricultural products. The historical origin of “Jianping Qumei”, the “Buckwheat Bowl” of Jianping was famous in the Qing Dynasty. According to historical records, in 1738, the Emperor Qianlong of the Northern Zhou Dynasty patrolled Chengde, and the Prince Zaraq of the right wing of Khala presented the buckwheat bowl to the Emperor Qianlong. After the Emperor Qianlong tasted it, he suddenly praised it: “It’s a rare good, only a bowl of soup.” After the feast, the pen is given by the pen: three families. The three “buckwheat bowls” have since multiplied, becoming the best gift for the local bureaucrats and the royal palace of the tribute.