Time span, cultural relics include all historical periods, and antiques have a wider time span than cultural relics.
According to the law, cultural relics are protected by national laws, and private individuals are not allowed to sell them at will. Antiques can be collected, invested and auctioned.
Limited by time, the classification of antiques is bounded by the Qing Dynasty, and modern products can also be called cultural relics if they have certain influence on modern society.