The waist tag was a great weapon for summoners to prove their identity in ancient times, so many people can still see the ancient waist tag flying all over the sky in the current film and television dramas. However, the ancient waist tag also has a defect, because communication is inconvenient, that is, there are no photos on the ancient waist tag, unlike the current ID card with photos on it, which can brush out a lot of information. So since all kinds of shortcomings are put on it, why don't many villains make a fuss about it when they want to assassinate the emperor?
The ancient waist tag was formed around 2070 BC. It was originally used in Xia, Shang and Zhou dynasties, and it was also used as a passport. Later, with the increasing dignity of the demon card, it was regarded as a gift, representing the symbol of imperial honor. It was not until 960 AD that Song discovered that there was only one waist tag, which was often prone to mistakes.
Because there was no information on the ancient waist tag, people strengthened the recognition on the waist tag after the Song Dynasty. For example: what is the name of the summoner, the size of the official position and so on. In this way, the identity of the summoner will be clear at a glance, and many things will be easy to handle. However, there is no way to engrave the photos, so no matter how detailed the information is, it is easy to be impersonated by others.
However, the reason why those villains can't forge waist tags to assassinate the emperor is actually very simple. First of all, many folk craftsmen can't make royal products, and even if they do, it's easy to tell. After 1368, it was the centralized period of the Ming dynasty. In the Ming Dynasty, there was a very famous assassin. His name is Liu Jin.
When Liu Jin entered the harem of the Ming Dynasty, she wanted to find an opportunity to murder the emperor. But when Liu Jin failed, she was copied from home. Court officials found more than 500 waist tags from Liu Jin's home, but in the end Liu Jin wanted to get close to the emperor when he entered the palace. Most of them are because there are insiders in the palace, and hundreds of waist tags don't work at all.
So you can also introduce it from this point. In fact, Liu Jin knew that the waist tag had certain benefits, but it was easy to expose his identity, so he gave up the road of waist tag directly. Secondly, the rules and regulations in the palace were very strict, and they were honored as "ancestral rules" in the Qing Dynasty.
No matter which era, it is difficult for people to get close to the emperor. First of all, in addition to the waist tag, staff are also required to investigate a lot of information about tourists. Even if they break through many difficulties and enter the palace, it is difficult to get close to the emperor, and there will be special guards to lead the way.
I have no right to walk around the palace at night. If I want to be malicious, I will probably be caught by other patrol soldiers before I get close to the emperor. Therefore, in ancient times, it was not only difficult to find waist tags outside the palace, but also encountered few difficulties. However, if you want to enter the palace to assassinate the emperor through the waist tag, it is simply more difficult than going to heaven.