Men wear a shirt, long indigo trousers and scarfs. Women wear a long shirt, a bra and a shirt and wear their hair wound in a turban which is trimmed with colourful motifs, especially in red. Pa Then women like to wear silver ornaments. The Pa Then have many family lineages. People of the same lineage consider themselves next of kin and have common ancestors.
Marriage is forbidden within the same lineage.
According to custom, after marriage, the husband comes to live with his wife's family for a certain time. If the family of the wife has no son, the husband will live there all his life and has to worship the spirit of his wife's family. Half of their children take the family name of the father and half take the family name of the mother. The Pa Then worship their ancestors at home. Some beliefs are related to agriculture like worshipping the genie of the soil, the new rice ritual, praying for rain and worshipping the spirits.