It's not easy. The groups that publish papers are very large, including employees, teachers, scientific research institutions and so on. There are also doctoral students and even some undergraduates who have expanded their enrollment. In the case of a large number, magazines will give priority to papers written by researchers from 985, 2 1 1, key universities, universities with strong disciplines and central enterprises, which makes it difficult for junior college teachers to publish papers and is limited by realistic conditions.