Kaoru is four years old and a Labrador, and this year marks his second year as a guide dog. According to a data released by the China Association for the Blind in May 2019, fewer than 5 guide dogs are in use across the country.
Although a large number of dogs receive relevant training every year, due to the strict selection criteria, the guide dogs that can graduate are the elite of the elite. Xing Chunhui said that Xiao Kaoru is his "second pair of eyes", a friend who accompanies him walking in the dark.