The Thai King of Thailand refers to the king of the Thai royal family, whose official title is His Majesty Bhumibol Adulyadej (Maha Vajiralongkorn Bodindradebayavarangkun), customarily known as Rama X or Rama X. The King of Thailand, as the leader of the royal family, inherits the long and unique culture and traditions of Thailand's history. The King of Thailand is one of the symbols of Thailand, representing the dignity and honor of the Thai state and nation, and enjoys high prestige and respect.

Thailand has been a country with a clear hierarchical system since ancient times, with the royal family and the aristocracy having a high social and political status. As the supreme leader of the royal family, the King of Thailand enjoys high status and dignity and plays the role of head of state, participating in important domestic and foreign affairs. At the same time, the Thai royal family is also an important part of Thailand's traditional culture. Historically, the Thai royal family has had a profound influence on literature, art, architecture, dress and other fields, and has become a representative of Thai culture.

The Thai King has important duties and responsibilities as the head of state of Thailand. His main functions include signing decrees, dissolving parliament, approving legislation, conferring honors, and granting honors and awards to Thai citizens. At the same time, the King also has high prestige and influence in Thai society, playing an important role in national unity and social harmony. The Thai King has an irreplaceable role in protecting Thailand's traditional culture, prospering the economy and promoting social progress.