Students, also called students; Generally speaking, it refers to people who are receiving education in schools, schools or other learning places, and people who study in research institutions or work units (such as hospitals and research institutes) are also called students. According to different stages of learning, we can divide students into kindergarten students, primary school students, middle school students, college students (college students, master students, doctoral students) and so on. Student is a status noun, and all those who have a student status are collectively called students.

According to the learning institutions in most areas, primary schools, middle schools and universities are divided into: primary school students, middle school students, high school students, vocational high school students, junior college students, undergraduates, graduate students, masters, doctors and postdoctoral students. , especially postdoctoral. It is easy to misunderstand that "a postdoctoral fellow is a doctor or above". Postdoctoral stations are actually mobile workstations. Eligible doctors can apply to be postdoctoral in the post-doctoral mobile station recognized by the state, and do corresponding research projects during the period. After the expiration, they can leave the station.

In the sixth year of Zhenguan, Emperor Taizong said that the left servant of Shangshu said: "Compared with the four surnames of Cui, Lu, Li and Zheng in Shandong, although it is late, it still relies on its hometown and is very proud, calling it a scholar-bureaucrat. Every time I marry a woman of another race, I need money, and it's the most expensive. Like Jia in the city, they are very harmful to customs and orderly. It is neither appropriate nor reasonable and must be reformed. "