Arylglycinamide derivatives represented by a general formula (1) ##STR1## (wherein Ar denotes a phenyl group which may have 1 to 3 substituents or naphthyl group which may have 1 to 3 substituents, R.sub.1 and R.sub.4 denote identically or differently hydrogen atoms or lower alkyl groups with 1 to 3 carbon atoms, R.sub.2 denotes a lower alkyl group with 1 to 6 carbon atoms, cycloalkyl group with 3 to 6 carbon atoms, lower alkyl group with 1 to 4 carbon atoms which may have a phenyl group which may have 1 to 3 substituents, norbornyl group, adamantyl group or phenyl group which may have 1 to 3 substituents, R.sub.3 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.2, R.sub.5 denotes a lower alkyl group with 1 to 6 carbon atoms or cycloalkyl group with 5 or 6 carbon atoms, R.sub.6 denotes a hydrogen atom or lower alkyl group with 1 to 6 carbon atoms or it may form a ring constituting alkylene together with R.sub.5, and m denotes 2 or 3), and their salts, which function as effective therapeutic drugs for the dysurias such as urinary incontinence and pollakiuria, and the preparative processes therefor are presented.