How to use needleless syringe insulin

1. Wash hands before injection. 2. In a clean environment. 3. Drug absorption. 4. Adjust the injection dose. 5. Select the injection site, disinfect with a medical alcohol swab, and wait for the alcohol to dry before performing the injection. 6. Select the part. After disinfection, use the two fingers of one hand to spread the disinfected skin, and press the head of the medicine tube on the injection site with the other hand. 7. Push the syringe hard, press the safety lock with your index finger, and press the injection button with your thumb. 8. After the injection, keep the syringe in its original state and remove the syringe after at least 5 seconds.