With the continuous progress of automobile manufacturing technology,the requirements for its mold materials are also increasing.Traditional mold materials such as carbon steel,alloy steel,etc.to a certain extent has not been able to meet the requirements of high efficiency,high precision,high wear re-sistance,etc.,the need for research and development of new mold materials application.At the same time,the progress of mold materials for automobile manufacturing and mold heat treatment technology also brings more efficient and precise mold processing technology for the automobile manufacturing industry,and pro-motes the overall progress of mold technology.