Abstract: Walnut is an important nut tree and woody oil tree species in the world.Its kernel has high nutritional value and is known as‘longevity fruit’of nuts.Walnut black spot disease belongs to highly dangerous forest pest species.It significantly affects the growth,yield and quality of walnut,and occurs to varying degrees in major walnut production areas in China.In this study,the research progress in four aspects of disease characteristics,occurrence regularity,infection mechanism,prevention and control technology were summarized and analyzed,in order to provide a reference for reducing the damage of walnut black spot disease,givie full play to the economic,social and ecological benefits of walnut,and realize the green and sustainable development of walnut industry.