Tropical Diseases Research Center Kanchanaburi is a place which has a population of tortoises living in the present. Most tortoises, which are threatened by dogs and cats. From these problems, it is interested to study about the population, body condition and nesting of Elongated tortoise in tropical disease research center Kanchanaburi. From interest to study in such a purpose, to focus on the to study the trend of the population has the risk of extinction. Including finding solutions to prevent elongated tortoise extinction trend of increasing population in the future. Ex-situ Conservation and as a source of tortoise population to reintroduction.