In vertical distribution, from the elevation of less than 100m in the eastern part of China to more than 2200m in the western part of Yunnan-Guizhou Plateau, it can be divided into four distribution areas: southwest mountainous area, hilly area of South China, hilly area of Central and East China and northern edge. The most suitable growing areas of common camellia oleifera are hilly areas in Hunan and Jiangxi. , mainly according to the local conditions, climate, soil, choose varieties.