As a kind of medical devices, disposable syringes must not be discarded at will after use, and there are explicit provisions on how to dispose of the five disposable syringes after use.1. The vaccination unit shall assign special personnel to be responsible for the disinfection and destruction of disposable syringes.2. Establish records for allocation, purchase, use and destruction of disposable syringes, which shall be complete and consistent with accounts and materials.3. Disposable syringes should be used for vaccination.4. When using disposable syringes for vaccination, the system of "one person, one needle, one tube, one use and one destruction" must be strictly implemented.5. When using disposable syringes, the staff of grass-roots vaccination units shall check whether the syringe packaging is intact and within the validity period. Products whose packaging has been damaged or has exceeded the validity period shall not be used.6. When the vaccination is completed, the disposable syringe after use shall be put into an anti puncture safe collection container (safety box) made of solid materials and handed over for treatment before the next vaccination. Do not reuse disposable syringes.7. The disposable syringe after use can be destroyed with a shape destroyer, or after the needle and syringe are separated by manual shape destruction, the needle can be directly put into the stab proof container or bent for more than 90 degrees with pliers. The nipple of the syringe can be clamped with pliers and soaked in disinfectant containing effective chlorine 1000mg / L for more than 60 minutes.The above content is about the disposal of disposable syringes after use. The last step is to destroy, burn or bury these collected syringes to ensure that they are disposable products.