1. Wipe the growth hormone bottle cap and bottle mouth with an alcohol cotton ball to ensure aseptic operation.
2. Take out a 3 ml syringe and wipe the syringe needle with an alcohol cotton ball.
3. Take 3 ml of water for injection, sterile.
4. Slowly inject the water for injection into the growth hormone bottle, and be careful not to directly inject the growth hormone powder.
5. Rotate the bottle slowly to make the growth hormone powder fully dissolve. Don't shake it violently to avoid bubbles.
6. Diluted growth hormone is transparent. If there are particles or turbidity, they should be discarded.