Ko te pūnaha oranga tamariki te ingoa mō ngā a Oranga Tamariki me ētahi atu tari kia noho haumaru, kia ora ai ngā me ngā . Kei roto hoki i tēnei ko ngā mahi a ngā pirihimana me Oranga Tamariki ina takahia pea e ngā tamariki me ngā rangatahi te ture.
Ka uru ngā tamariki me ngā rangatahi ki te pūnaha oranga tamariki ina whakamōhiotia a Oranga Tamariki e te tangata ina māharahara ana ia mō tō rātou haumaru, oranga rānei, ina uru rānei ki te raruraru me ngā pirihimana.