Chongyang is a fungus, belonging to Russula, which was also called Pleurotus ostreatus, Lentinus edodes, Lactarius matsutake, Tricholoma matsutake and Lentinus edodes in ancient times. Chongyang, born in February of the lunar calendar, is called "Peach Blossom Mushroom", and the one born in September is called "Mushroom". In southern areas such as Yunnan, basically only this fungus grows on the mountains of Huangshi in autumn, so it is also called bacterial leaf blight. And Yunnan is called bacterial blight. It is best for pine flowers to land in the cold dew. They are delicious and have a special smell. They are popular delicacies, which can't be cultivated artificially at present, and belong to pure natural strains. The strain is distributed in Hunan, Hubei, Zhejiang, Hongkong, Taiwan Province, Hainan, Henan, Hebei, Shanxi, Jilin, Liaoning, Jiangsu, Anhui, Jiangxi, Gansu, Qinghai, Sichuan, Yunnan, Xinjiang and Tibet in China. -Hunan and Hubei (Changde, Linli, Lixian and Shimen in the northwest of Hunan, and Songzi in Hubei on the south bank of the Yangtze River), where Pinus massoniana forests are widely distributed and the climate is humid, especially suitable for the growth of Lactarius. The output here is the most, and the quality and taste of Chongyang auricularia are the best. )[ 1]