Canker is a quarantine bacterial disease that seriously harms leaves, branches and fruits of citrus, leading to a decrease in the production and affecting the commodity and sales of citrus. Citrus canker has the characteristics of fast spreading speed and difficult radical cure. Through the identification of symptoms and a summary of occurrence regularity, the integrated prevention and control technology for citrus canker is described in this article, in order to achieve effective prevention and control and reduce prevention and control cost.