Indeed, the mountain is in the transitional zone between the north subtropical zone and the southern warm temperate zone. The climate is humid, the rain and heat are in the same period. The light, heat and water conditions are very suitable for the growth of chestnut, and most of these places are gravel soil, sandy loam soil, yellow brown loam, and the soil layer is deep. The organic matter content is high. It is this unique climatic condition that forms the unique quality of the chestnut with bright color, large nuts, thick flesh, fine meat, rich nutrition and sweet taste.

There are a long history of planting Prunella vulgaris and a good foundation for mass cultivation in the county. The production and sales volume has a large proportion in the country and has a good development prospect. In recent years, Jiaduobao, Heqizheng, Wang Laoji and other large-scale herbal tea production The company widely uses the summer dry ball as its main raw material, which makes it gain a broader market development space in addition to medicinal. There are more than 20 years of cultivation of Prunella vulgaris in the farms of Zhengshan County. The quality is good, the reputation is good, and the planting scale is expanding. It has become the main economic crop and agricultural product pillar industry in the county. At present, the county has become one of the six major raw material production bases of the herbal tea production enterprise Jiaduobao Group, and ranks first.