Oko-Tex Standard 100, as an ecological standard of textiles, is very popular in most of developed countries and parts of developing countries now. It is also widely used in many sections, such as textiles producing, selling, importing and exporting, consumerism protecting and so on. Ecological textile, an entirely new concept, is involved in the corresponding research fields, process technologies and standard testing, its suitable scope will be extended, improved and raised during its continuous evolution. This paper interpreted the technology contents of the latest edition of Oko-Tex standard 100 and Oko-Tex Standard 200, as well as the relevant technology details.