The development of murals reflects custom, religion, philosophy, esthetics of different nations in various historical periods. Furthermore, murals are also greatly associated with politics, economics, culture and technique of the period. Therefore, ancient murals have very high historical, artistic and technical values. Tomb murals first appeared and became part of the funeral culture during the Han Dynasty. Han tomb murals evolved and formed a complete system since the early Western Han Dynasty. The system expressed profound and complicated ideas about religion and funerals. The murals enriched and shaped the design, the technology and the expression of Chinese paintings. Therefore, tomb murals occupied an important place in painting history and intellectual history of early periods. This essay systematically summarizes numerous publications related to tomb murals from more than 10 periodicals since 2015. The distribution and characteristics of mural paintings, and the various ways of preserving mural paintings were studied. Suggestions on future work related to tomb mural conservation were put forward.