As reported by the most recent assessment of IUCN Red List, the red-shanked douc is critically endangered. They are listed in CITES that prohibit international trade. There is no research of the population in Indochina. In Son Tra, Vietnam, the population is approximately 1300 individuals. The most common reason is that they are hunted for substance use and traditional medicine. Moreover local people hunt for food, pets or making glue.