<;P>;PROBLEM TO BE SOLVED: To obtain a composition for controlling paddy-rice diseases and pest insects which exhibits an excellent effect in a reduced dosage over a long period to simultaneously control paddy-rice diseases and pest insects and reduce the number of times of use. <;P>;SOLUTION: There is provided the composition for controlling paddy-rice diseases and pest insects which comprises a shiitake extract and an agrochemical bactericide as active ingredients. The composition for controlling paddy rice diseases and pest insects may further comprise an agrochemical insecticide. <;P>;COPYRIGHT: (C)2010,JPO&INPIT