Disclosed are an oxime ether compound represented by the formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 1 to 6 carbon atoms; R.sup.2 represents OR.sup.5 or NHR.sup.6 where R.sup.5 and R.sup.6 each represent an alkyl group having 1 to 6 carbon atoms; R.sup.3 represents a cycloalkyl group having 3 to 8 carbon atoms; R.sup.4 represents an alkenyloxy group having 3 to 6 carbon atoms, an alkynyloxy group having 3 to 6 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a benzyloxy group, an alkoxycarbonyl group having 2 to 7 carbon atoms, a halogen atom, a cyano group, an alkylthio group having 1 to 6 carbon atoms, an alkyl group having 1 to 6 carbon atoms, a haloalkyl group having 1 to 6 carbon atoms or an acyl group having 2 to 7 carbon atoms; and n represents an integer of 0 to 5.processes for preparing the same and a fungicide containing the same as an effective ingredient.