Periodical papers are academic papers published in periodicals, which can be different kinds of papers such as education and teaching, economic management, medicine and medicine (including nursing), literature and art, science and technology engineering, social science synthesis and so on. These papers usually need to go through strict peer review procedures to ensure their academic and reliability. The contents of periodical papers usually include abstracts, introduction, methods, results, discussions and references, so that readers can fully understand the main contents and conclusions of the research. In addition, journal papers usually need to be written and typeset according to certain formats and norms to facilitate readers' reading and understanding.

Publishing papers in journals is one of the important tasks of many scholars and experts, and it is also one of the important standards for academic circles to evaluate research results and academic level. By publishing papers in journals, scholars and experts can share research results with their peers, popularize new technologies or theories, promote academic exchanges and improve their academic status. At the same time, periodical papers are also one of the important forces to promote the development of disciplines and the progress of human civilization.

In addition to academic journals, there are also non-academic journals, such as professional articles published in journals of some industry associations or societies. These non-academic journal papers usually do not need to go through strict peer review procedures, but they need to comply with certain writing norms and format requirements to ensure the quality and readability of the articles.

In a word, a periodical paper is an academic paper published in a periodical. It is an important tool for academic exchange and knowledge dissemination, which is of great significance to promoting the development of disciplines and the progress of human civilization.