Its mandate is to promote Thailand's tourism industry, and protect the environment.

For 50 years, responsibility for attracting tourists to Thailand bounced around between the State Railway of Thailand, the Ministry of Commerce, the Ministry of Transport and the Office of the Prime Minister.

[5] In 2015, TAT introduced a campaign titled "2015: Discover Thainess.

"[5] TAT Governor Thawatchai Arunyik said the campaign will incorporate the "twelve values" that Thai junta leader and Prime Minister Prayut Chan-o-cha wants all Thais to practice.

[6] In 2017, the Thai government approved a 144 million baht budget to fund the Michelin Guide in a five-year contract to create Michelin Guides for Thailand, starting with Bangkok.