The invention provides a beauveria bassiana strain with pathogenicity on alissonotum impressicolle arrow and application thereof. The beauveria bassiana strain with the pathogenicity on the alissonotum impressicolle arrow is a coccoid beauveria bassiana Bb-YMM strain and is preserved in China General Microbiological Culture Collection Center on September 29, 2015, with the preservation number of CGMCC No.11464 and the preservation address of No.3, Yard 1, Western Beichen Road, Chaoyang District, Beijing. The beauveria bassiana strain with the pathogenicity on the alissonotum impressicolle arrow is simple in culture, rapid in growth, great in spore producing amount and high in spore germination rate; conidiospores have strong pathogenicity on alissonotum impressicolle arrow larvae, so that the beauveria bassiana strain is environmental-friendly and has no pollution and drug resistance is not easy to generate, and furthermore, the beauveria bassiana strain can be widely applied to prevention and treatment of the alissonotum impressicolle arrow.