Formal background: refers to having formal education or training qualifications.

Second, the source of training background.

"Formal background" means that a person has formal education or training experience. The original intention of the training class refers to the drama team that combines learning and acting in the old days, and it is the necessary and only way to become an actor (formerly known as a player). Later, the training course was extended to the general name of formal vocational skills education. The so-called training course does not mean "origin", but refers to schools or other educational institutions that can carry out formal education and training.

Third, the development of training background.

1. In the past, some opera actors were apprentices who learned from teachers, and they belonged to private or private schools. Keban is a collective art learning institution, which has trained a large number of artistic talents, such as Sichuan Opera Sanyi Keban.

2. Shaoxing Opera Group English Stage Class, Kunqu Quanfu Class, Guiju Xiaojin Class, etc. As for Peking Opera, there are many classes, including Song Zhucheng, Xiao Rongchun, Bin Qingshe and Fu Liancheng. It can be seen that the training class was once the main form of training traditional opera talents in China.

3. Because the performance unit at that time was not called a troupe, it was called a troupe. The earliest classes were established by theatrical troupes, for example, the Sanqing Class led by Cheng Changgeng, the originator of Peking Opera, started four classes with several holes. Cheng Xiaoyu Keban, led by the famous Dan Tian Jiyun, whose stage name is "Nine Clouds", was an early supervised Keban.