Laos Khang or Lao Khrang popularly known as "Lao Khrang" or "Laos Khrang" still do not know the exact meaning. Presumably derived from the word "Phu Khang" which is the name of the mountain that resembles a bell on the northeast side of Luang Prabang in the Lao People's Democratic Republic which was the original settlement of Laos Khrang. Later migrated to Thailand during the reign of King Thonburi in the year 2321 and during the reign of King Phra Buddha Yod Fa, Chulalongkorn the Great in the year 2334 for political reasons and as a prisoner of war. Currently live In the central region of Thailand such as Nakhon Pathom Province, Suphan Buri Province, Chainat Province, Uthai Thani Province etc. Thai people of Lao Khrang immigrants have their own unique culture including language, clothing, traditions, and various rituals and beliefs which has been practiced continuously for a long time.  Especially the language used Meaning Lao Khrang language. Linguists have organized the Lao Khrang language in the Tai-Kadai language family. The unique characteristics of the Lao Khrang people that can be immediately separated is the spoken language which has a high tonal sound similar to the Lao language in the northern region and the northwest region of the Lao People's Democratic Republic, such as Luang Prabang And Chaiyaburi. It is also similar to the Thai language. The language spoken in Nakhon Thai District, Phitsanulok Province.  However, in the Lao Khrang language there will be differences in each locality. The distinctive characteristics of the Lao Khrang language are different from other Lao languages. In addition to the sound characteristics, the ending is also the language identity of the Lao Khrang ethnic group.