The big model is a microcosm of the rapid progress of the artificial intelligence industry.Nowadays,cutting-edge fields such as large models and computing power are constantly developing,shaping a new pattern for the development of the artificial intelligence industry.With the rapid development of artificial intelligence technology,AI big models have always been regarded as a key factor driving the improvement of the field of artificial intelligence,and big models have become a leading direction in the research and application of technology waves.This article reviews the definition,types,advantages,cases,and future of large models.