At present, PRP autologous beauty is more popular and convenient to operate, but it must be well prepared before injection for the whole cosmetic process to be smooth. Cosmetic apparatus available 1, platelet vacuum collection tube 2, blood collection line, 1 butterfly needle 3, transfer needle: 1 4, 95% concentration of ethanol 5, 1ml syringe Note: 1, this apparatus is single-use 2, can only be used on the same person 3, apparatus sterilization using gamma radiation (R) 4, please do not re-sterilization. Required items for operation PRP kit, general treatment bed, surgical lamp, protective glasses, tourniquet, test tube holder, sterilization solution, sterilized cotton ball, 1ml syringe, gauze, mask, gloves. Operation steps 1.Take venous blood 2.Put the butterfly needle on the holder of blood collection set. 3.After venipuncture, insert the PRP vacuum blood collection tube into the holder for blood collection. After blood collection, shake the blood collection tube 1 to 2 times. 4.Centrifuge with Korean EVA beauty centrifuge 5.Please be sure to level 6.Centrifuge at 3000rpm for 10 minutes. 7.Disinfection of injection area, regular facial disinfection can be done. 8, injection area anesthesia: note: anesthetic for local anesthesia, face injection, please tilt 45 degrees into the needle in the dermis injection. When injecting the area around the eyes, lift the skin first, tilt the needle at 45 degrees and inject in the superficial dermis, do not go too deep. 2-3 minutes later, you can inject PRP, anesthesia lasts 1-1.5 hours. 9.Inject the centrifuged platelet vacuum collection tube, and then turn it up and down 2 times before extracting the liquid. Injection liquid rationing method: collection tube supernatant 0.8 + activation liquid and PRP ratio 1:10 + anesthesia 0.1 = injection (ml) Use the United States BD 30G special long needle for injection, (hydrometer injection effect is better) before the injection will be bent to 45-60 degrees, so that there is a convenient superficial dermis injection. If the injected pores are large, there will be ACR solution overflow during the withdrawal of the injection, which is a normal phenomenon. 10, if you need to make PRP gel, fill the injection, extract PRP and add thrombin to mix fully after a constant temperature of 70 degrees for 10min (thrombin and PRP ratio of 1:5) 11, after the injection of ice over the ice bag over the injection site for 20-40 minutes. 12.After the injection, there will be mild swelling in the injection area, but no hematoma will appear. The swelling time depends on individual differences, the normal swelling time is 12-24 hours, special physique does not exceed 7 days. Please do not rub the injection area, and wash your face normally. Do not take non-steroidal anti-inflammatory drugs (such as aspirin) before or within one week after injection.