The pug has a physically distinctive features of a wrinkly, short-muzzled face, and curled tail. They come in three colors: silver or apricot-fawn with a black face mask, or all black. Pugs are mostly regarded as the clown of the canine because they have a great sense of humor.
In ancient times, Pugs were bred to be companions for ruling families in China. The pet Pugs were highly valued by Chinese Emperors, and the royal dogs were kept in luxury and guarded by soldiers.Pugs later spread to other parts of Asia. In Tibet, Buddhist monks kept Pugs as pets in their monasteries. The breed has retained its affectionate devotion to its owners since ancient times. The early history of the Pug breed has not been recorded in great detail; however, it is widely believed that China is the earliest known source for the breed. Similar dogs were popular in the Imperial court during the Song Dynasty.
Since Pugs lack longer snouts and prominent skeletal brow ridges, they are susceptible to eye injuries such as proptosis, scratched corneas, and painful entropion. They also have compact breathing passageways, leaving many prone to breathing difficulties or unable to efficiently regulate their temperature through evaporation from the tongue by panting.