This paper summarizes the main models of the South China Sea expansion in the more reference, and classifies and comments on the advantages and disadvantages of those main models. The discussion involves 10 main types of active causes, 7 passive classes, 20 representative views, Each point has some strengths, is worth learning, there are drawbacks, the need for critical development and validation.Which is the mature performance of the South China Sea study, the future will gradually integrate the development of various doctrines.The author discusses the views evolution of the South China Sea from the perspective of historiography and told the main trend is methods diversification ,intensification, quantitative in the future. The author points out that the active or passive relationship between the South China Sea and the surrounding blocks, the comparison of the response sequences of the Southeast Asia basin, the lithosphere structural, history of regional petrology, quantitative comparison and evaluation of the doctrine of different dynamic models are also the main trends of the future. Scholars should give full consideration to the peripheral integration development history of south China sea, and the Mesozoic lithospheric endowment and historical to dissolve into the south China sea which is an important direction of the genetic model of the south China sea.