Abstract: This paper studies the control effect of Beauveria bassiana on corn borer, selects corn borer and Beauveria bassiana as the object, studies the control effect of Beauveria bassiana on corn borer, and analyzes the experimental results. The results showed that the white net spore fungus can reduce the use of chemical pesticides, maintain the sustainability of agricultural development, and ensure the healthy growth of corn. It is hoped to provide some reference value for the control of corn borer in China.