The reasons why dogs smell crotch may include: first, using their keen sense of smell to obtain information; second, for familiarity or social purposes with their owners; third, for the need to explore the environment or find food; fourth, to mark territory or Looking for a partner due to estrus; fifth, habitual behavior.

If this behavior is uncomfortable, it can be corrected through training, providing appropriate stimulation, keeping it clean, and avoiding encouragement. .