First, submission depends on whether the direction of the article conforms to the direction of the journal. For example, periodicals in north university of china tend to focus on machinery, electronics and heavy industry. Local problems such as "agriculture, countryside and farmers" and agricultural economy in agricultural universities. In short, the topic of the article should conform to the direction of some periodicals. Second, the number of words should reach the standard, two or three thousand is too small, at least five or six thousand words. The number of words I voted for the Journal of Agricultural University is around 8000. Third, the duplicate checking rate should not exceed at least 30%. Some schools require strict duplicate checking rate, such as less than 15%. Fourth, the format problem. The contribution of each journal needs a specific format, such as the author's translation of text documents. Generally, this will be explained in an email or published in the journal official website.