Paper typesetting and disorderly submission will be returned. The format and typesetting of a paper is very important, and it is also the most basic problem of the paper, which can even determine whether the paper is hired or not. After receiving the manuscript, the editor will first look at the typesetting format, and if there are problems such as symbol errors, typography confusion or inconsistency with periodical requirements, he will directly reject the manuscript. Therefore, paper typesetting and disorderly submission will be returned.