Abstract: In recent years, walnut has gradually developed into the characteristic dry fruit in Yaodu District, and the planting area has increased year by year, becoming the main growth point of rural economy in Yaodu District. The output and quality of walnut planting in Yaodu District have improved year by year. At present, the key factor affecting walnut quality and yield is diseases and insect pests. This paper analyzes several common diseases and insect pests, and puts forward corresponding control measures.