WI, also known as SOP, is the working principle of operators, which explains and standardizes the work of operators in order to achieve consistency and standardization of operations.

a complete, up-to-date and standard SOP can not only standardize the production process, but also affect the operation of the whole company.

The principle of making SOP is clear, easy to understand and definite, so that operators can easily study and understand the content, sequence and benchmark of homework.

extended information

1. After the production of SOP is completed, it must be confirmed by the quality assurance department and then by the biotechnology supervisor. (except the producer, the signature part cannot be printed by computer).

2. The SOP of each model must have a version LIST, which is used to indicate the latest SOP version of the model at each workstation at that time.

3. There must be a record of changes to the SOP of this model, including a LIST of all changes to all SOPs of this model.

4. SOP should be issued on "A3" paper in the manufacturing unit and "A4" paper in the quality assurance unit, and both should be signed.

5. All SOPs must be printed and saved, and electronic documents must be backed up.

Baidu encyclopedia -SOP standard operating instructions