The manuscript should be scientific, practical and advanced, with clear arguments, outstanding viewpoints, detailed information, reliable data and neat and standardized words.

The title of 1. 1 should be accurate and concise, and the Chinese title should be less than 20 Chinese characters. Avoid using abbreviations unknown to the public, try not to have subtitles, and do not put Arabic numerals at the beginning of the title.

1.2 The names of authors are arranged under the heading according to the contribution. Generally, no changes will be made after the ranking is determined, and all authors need to sign and agree when changes are needed. There is only one correspondent. If it is not the first author, point it out and indicate the email address. This magazine takes the first author and/or correspondent as the contact person of the manuscript.

1.3 If the topic involved in the fund project paper is a national or ministerial, provincial or municipal fund or key research project, it should be indicated under the author's name (including the fund number).

1.4 The abstract should be accompanied by Chinese and English abstracts, written in the third person. It includes four elements: purpose, method, result and conclusion. The Chinese abstract is about 400 words, and the English abstract is about 600 ~ 800 content words. The English abstract should include the title of the article, the names of all authors (in Chinese Pinyin, each surname is capitalized, the first name is capitalized, and a hyphen is added between the two names), the name of the unit, the name of the city where it is located, the postal code and the country name.

Keywords 1.5 Each manuscript should be indexed with 3 ~ 8 keywords (including Chinese and English), and each word should be separated by semicolons. Key words should be words recognized by China Thesaurus and Medical Terminology Examination Committee.

1.6 Title hierarchy The title hierarchy should be concise, and punctuation cannot be used at the end of the title. Numbers at all levels are Arabic numerals. Numbers at different levels are separated by dots, and the last number shall not be punctuated, such as "1", "1. 1", "1. 1" and so on. All serial numbers are written in the box in the upper left corner. After the first-level title, return to the line, after the second-level title, leave a space for one word, and then typeset the text. Spaces at the beginning of unnumbered paragraphs. The hierarchical arrangement in writing can be "(1), ①" and so on.

1.7 Charts and charts are coded continuously in the order in which they appear in the text, and marked in the text. Each chart should be accompanied by a Chinese chart (table) (English is not required). Forms should be scientific, clear, concise and self-evident. Three line tables (top line, header line and bottom line) are required. In case of total or statistical processing line (such as t value and p value, etc. ), this line should be added with a dividing line. The picture should be complete and clear, the symbols in the picture are correct, and the case picture should indicate the dyeing method and magnification. If the chart is quoted from other journals, the source should be indicated.

1.8 references conform to GB 7714-87&; Description rules of references after laquo text &; Raquo descriptions are coded in sequence and marked with Arabic numerals and square brackets in the order in which they appear in the text. 1 ~ 3 All authors are listed, and more than three authors only list the top three, followed by ",et al" or other corresponding words, such as ",et al". Chinese periodicals should use the full name, and indicate the volume and issue. The name of foreign periodicals is abbreviated as&; Laquo medical index. Raquo is subject to the format in. Each file must be recorded on the start and end pages. References must be checked by the author with the original text. References are listed at the end of the article in citation order (marked with Arabic numerals in square brackets). There should be more than 20 references cited in the review article, mainly in the last five years. For example:

Periodical: serial number, author name (write the first three authors, add "etc." To the rest), book title, publication name (foreign periodicals should be abbreviated), year of publication, number of volumes (issue number): starting and ending page numbers.

Monograph: serial number, author's name (write the first three authors, add "etc." To the rest), title and version (not recorded in 1 version), place of publication: publishing house, year of publication: page numbers.

1.9 The data of other manuscripts must be statistically processed, and relevant test values (such as t, f, χ2 and p values) should be given. All units of measurement in the manuscript are legal units of measurement. Abbreviations should be used as little as possible. When it must be used, the full name should be indicated where it first appears, and then the Chinese abbreviation or the English full name and abbreviation should be indicated in brackets.