1. Ensure the cleanliness and disinfection of filling equipment: Before filling, it is necessary to ensure that the filling equipment and containers are clean and thoroughly disinfected to prevent the residue of bacteria and other pollutants.

2. Strictly control the filling environment: The filling process should be carried out in a clean and dust-free environment to reduce the contamination of products by microorganisms and particulate matter in the air.

3. Use filters: Using filters during the filling process can effectively prevent impurities and microorganisms from entering the product, ensuring its purity.

4. Regular cleaning and maintenance of equipment: Filling equipment and pipelines should be regularly cleaned and maintained to ensure their normal operation and avoid contamination.

5. Strictly control the filling temperature: The temperature during the filling process should be strictly controlled to ensure the quality and safety of the product.

6. Avoid cross contamination: During the filling process, cross contamination between different products should be strictly avoided, which can be achieved by cleaning equipment and replacing pipelines.

7. Strictly control the filling speed: The filling speed should be moderate, as too fast a speed may cause product splashing and contamination.

8. Ensure proper packaging and sealing after filling: After filling, the product should be promptly sealed to prevent external contaminants from entering.

9. Record the filling process: Detailed records of the filling process, including filling time, temperature, speed, and other parameters, for traceability and quality control purposes

10. Training and supervision of operators: Provide professional training to filling operators and conduct regular supervision to ensure that they strictly comply with hygiene precautions.

These precautions aim to ensure the quality and safety of medical products, reduce the risk of contamination and cross infection.