This species has cheek pouches to carry food in while it forages. The body mass for adult male pigtailed macaques range from 10 to 14 kilograms, and for the females it ranges from 5 to 11 kilograms. This species has a relatively short tail compared to other macaques. The face is lacking in hair.
The pigtailed macaque is found in the countries of Bangladesh, Bhutan, Burma, Cambodia, China, Indonesia, Laos, Malaysia, Thailand, and Vietnam. This species lives in both primary and secondary growth forests and these are either highland or lowland forests.