What employment system did Wu Zetian invent, which was used all over the world after one thousand years, excluding the imperial examination system?

What Wu Zetian invented at that time was the "internship" mechanism, whose real name was "trial official system", which was to let officials practice in real posts, and then examine whether a person's ability is competent for this office in real work, so as to avoid the problem of "high scores and low abilities" of officials.

Bureaucracy is a foundation for the emperor to govern the country well. At this time, it is particularly important to select talented and practical people. It is not easy to choose a strong candidate from better civilians. At this time, the imperial examination system appeared, and the imperial examination system became the main way for the promotion of civilian children.

But there is a very important step in the selection process, that is, how to change from "knowing people" to "making good use of them". The talents who came out through the imperial examination system were only limited to the cultural level and could not really consider his ability to do things, so the "internship" system was born at this time.

This system can well skip the step of "knowing people and making good use of them", and directly let the person who is ready to take up the post practice, and then judge whether this person is capable of taking up this post. At that time, people could not only participate in the imperial examination system and enter the official career, but also "recommend themselves" and "recommend themselves".

In addition, Wu Zetian also promoted the record of surnames. To put it simply, those nobles who depend on their ancestors' political achievements have no right to directly enter the DPRK as officials, and they also need to participate in the imperial examination system like ordinary people. This can really be said to break the restrictions of the nobility and give people who study hard at the cold window the opportunity to be an official.

In order to avoid "abuses", Wu Zetian also implemented the policy of "lenient entry and strict exit". As long as someone doesn't pass the internship period, they won't be hired. If there is corruption during his tenure, he will be beheaded directly.