Disclosed is a novel benzyloxypropylamine derivative having an excellent tachykinin receptor antagonistic effect. This compound shows a good transfer into the blood and a long blood half-life in the blood kinetic test using a guinea pig orally administered with the compound and is stable in an animal plasma. The compound also shows a high transfer to the central nervous system when it is orally administered to a guinea pig at a certain dose. Accordingly, the benzyloxypropylamine derivative is quite useful as a novel anti-tachykinin agent.