In southern China, Camellia oleifera is an important economical species. With the rapid expansion of camellia cultivation, camellia diseases have been becoming an increasingly prominent problem. Various diseases seriously hamper the further development of Camellia oleifera industry. In this paper, the distribution and damage of Camellia oleifera diseases were analyzed. The relationship between the epidemic of these diseases and the ecological conditions were analyzed. The ecological measures of disease control were proposed, which would lay a foundation for the green control of Camellia oleifera diseases.