In this paper, we describe the acquisition and contents of a large-scale Chinese face database: CAS-PEAL face database. The goals of creating the CAS-PEAL face database include 1) providing the worldwide researchers of face recognition with different sources of variations, especially Pose, Expression, Accessories, and Lighting (PEAL), and exhaustive ground-truth information in one uniform database, 2) advancing the state-of-the-art face recognition technologies aiming at practical applications by using off the shelf imaging equipments and by designing normal face variations in the database, and 3) providing a large-scale face database of Mongolian. Currently, the CAS-PEAL face database contains 99,594 images of 1,040 individuals (595 males and 445 females). Total nine cameras are mounted horizontally on an arc arm to simultaneously capture images across different poses. Each subject is asked to look straight ahead, up, and down to obtain 27 images in three shots. Five facial expression...