Dehong Prefecture of Yunnan Province is one of the main coffee producing areas in China. The planting area has exceeded 400,000 mu, and it is distributed in 50 townships in 3 counties and 3 counties of Dehong Prefecture. The main planting variety is Katimo, in addition to Bourbon, Ti Bika, Kadura, Kaduai and so on. Dehong Prefecture has a large altitude difference of 700m and a maximum of 3500m. The coffee planting belts are distributed at different altitudes.

There are few studies on the factors affecting coffee flavor in China. Huang Jiaxiong studied the effects of different altitudes on the quality of small-grain coffee. Li Jinhong studied the influence of latitude on the quality of Yunnan coffee. Hu Shuangfang studied the chemical composition differences and sensory of coffee beans in the producing areas. The difference in quality. There are not many factors affecting the flavor in foreign countries, but there are certain studies on the impact on the overall quality. For example, Farah studied that the content of fenugreek decreased with the decline of coffee quality, and the correlation coefficient reached 0.93. CI Rpdrigues found that the production area Coffee quality has a very significant impact.