Abstract: Longitudinal method is one of the central topics in psychology. A series of theoretical and application advances have been made recently. In this article, these advances are reviewed briefly and overlapping Hierarchical Linear Model(HLM) and Latent Growth Curve Model(LGM) are mainly discussed. In addition, the difference of several longitudinal methods are discussed briefly

Key words: Longitudinal research, Hierarchical Linear Model, Latent Growth Curve Model