The present invention provides a plant disease control composition that has excellent plant disease controlling effects and that contains a tetrazolinone compound represented by formula (1) [wherein X 1 represents a halogen atom or the like and X 2 represents a C1-C3 alkyl group or the like] and an azole compound represented by formula (2) [wherein R 1 represents a C1-6 alkyl group, R 2 represents a hydrogen atom or the like, A represents a nitrogen atom or the like, Y 1 represents a halogen atom, and n is 0 or 1]. The present invention also provides a plant disease control method that includes a step for treating a plant or the soil in which a plant is being cultivated with an effective dose of the tetrazolinone compound represented by formula (1) and of the azole compound represented by formula (2).
