1, SOP refers to describing the standard operation steps and requirements of an event in a unified format to guide and standardize daily work. It mainly includes the following contents:

2. The title of each SOP should be marked with the words "standard operating procedures";

3. Make the full name of SOP unit;

4. Code, total page number and page number of 4.SOP attribute;

5. Specific topics of SOP business of this project;

6. Computer retrieval standard operating procedure topic keywords:

7. Briefly describe the purpose, background knowledge and principle of this SOP;

8. The main content is simple and clear, with strong operability, which can be understood and mastered by professional knowledge and trained staff;

9. List the main reference materials for formulating this SOP;

10, and the footnote of each SOP has the signature and date of the person in charge, the maker, the approver and the approver;

1 1. Indicate the effective date of SOP and generally affix the release stamp.