The scientific name of red fruit is hawthorn, and it is also a famous fruit and mountain red. In China, the utilization history of hawthorn has been more than 2000 years, which is recorded in Qi Yaomin's Book, Erya and Shan Hai Jing. Data show that before Yuan and Ming Dynasties, the edible value of hawthorn was neglected. As a fruit tree, artificial cultivation began around15th century. In Li Shizhen's Compendium of Materia Medica, hawthorn was included in the fruit department.

Yunnan olive, also known as Yunnan Phyllanthus emblica, is an image name, with sour taste and endless sweetness. Yunnan olive juice is sour and astringent, with unique flavor and rich nutrition. In addition to amino acids and trace elements, more importantly, the content of Vc is high, and the fruit is used as medicine, which has the effects of clearing away heat and relieving sore throat, moistening lung and resolving phlegm, promoting fluid production and quenching thirst.