Cairn Terrier ƙwararren maharbi ne a da, amma a halin yanzu, shi ɗan ƙaramin ɗan adam ne, mai shaggy, ɗan farin ciki kuma ɗan wasa mara gajiyawa mai son wasannin waje. Kamar duk wakilan kungiyar terrier, kern yana da matukar sha'awa kuma yana da sha'awar neman wani abu, amma a lokaci guda yana da abokantaka da zamantakewa. Idan kuna son yin abota da nau'in, sanya shi abokin zama na yau da kullun. Yana da wuya a sami wata halitta mai farin ciki da gamsuwa fiye da Cairn Terrier, wanda ke tare da mai shi a kan hawan keke, a kan hawan naman kaza, ko kuma lokacin balaguro na nishadi a cikin titunan birni a daidai kafa.
Tare da duk ƙaunarsa ga yanayi da 'yancin motsi, Cairn Terrier yana iya zama mazaunin birni. Babban abu ba shine don hana kare daga tafiya ba kuma zabar tsarin motsa jiki mai dacewa da shi.
Kamar kowane terriers, muryoyin suna da saurin fushi da taurin kai, amma nau'in ba shi da tushe a cikin tashin hankali mara ma'ana.