Pierre Robin sequence（PRS） is a congenital malformation consisting of glossoptosis，retrognathia，airway compromise，often with clefting of the secondary palate. There is no uniform standard for diagnosis and treatment at home and abroad. The measurement of PRS has been an important way to assist diagnosis and treatment over the years. The measurement methods include somatometry，imaging measurement，etc，and the measurement indicators are various. This paper reviews the measurement of PRS.