Abstract: Ceramic matrix composites are widely used in aerospace, nuclear energy and other industrial fields because of their excellent resistance to high temperature.With the high requirement for the properties of structural parts in engineering applications, the welding technology between ceramic matrix composites and metal dissimilar materials has become a research hotspot in the field of ceramic matrix composites.The research status of welding technology between ceramic matrix composites and metal was reviewed from the aspects of brazing, diffusion welding, self-propagating high temperature synthetic welding and fusion welding, which can provide reference for the study on the welding between ceramic matrix composites and metal.