1. Always observe and study rubbings and be familiar with some characteristics of rubbings. If we have basic knowledge of literature, history and geography, we can learn quickly. When you are a beginner, you should be familiar with the historical year number, and you can date it according to the year on the inscription.
2. According to the development track of official script, cursive script, running script and regular script and their performance on inscriptions, it can also be used as the basis for dating.