2.EI periodical papers are highly recognized in China. Although it is slightly inferior to sci, it can also play an obvious role in promoting the titles of professors, associate professors or other scientific researchers in China. EI journals also need to be written in English, which is difficult to publish, although not as difficult as sci. EI periodical papers also need to pay attention to the differences between periodical papers and argumentative papers, which are somewhat different. It is best not to choose a conference when publishing a conference paper.