An object of the present invention is to provide a novel fungicide having an excellent fungicidal activity. The compound used as the fungicide of the present invention is an ethynylphenylamidine compound or a salt thereof, the compound being represented by Formula (1): wherein R 1 and R 2 are each hydrogen or C 1-12 alkyl, or R 1 and R 2 may be bonded together to form C 1-7 alkylene; R 3 is hydrogen or C 1-4 alkylthio; R 4 , R 5 , R 6 , and R 7 are each hydrogen, halogen, etc.; and R 8 is hydrogen, C 1-20 alkyl, C 3-8 cycloalkyl, C 1-4 haloalkyl, phenyl, a heterocyclic group, or -(CH 2 )n-Si(R 9 )(R 10 )(R 11 ) wherein R 9 , R 10 , and R 11 are each C 1-6 alkyl, and n is an integer of 0 or 1.