The first is the definition of cultural relics: cultural relics are the product of culture and precious historical relics in the development of human society. Cultural relics reflect people's transformation of the world in history from different angles, and are physical materials for studying human history.
The second is the nature of cultural relics: non-renewable, cognitive, educational and just.
Third, cultural relics: historical relics and revolutionary relics.
Fourth, cultural relics identification: identification, dating and evaluation.