Precautions1. Clean and disinfect the wound site before us; 2. Start to tear off the frame from the crack of the frame structure, and gently press the dressing here while tearing it, so as to better fix the indwelling needle and prevent the dressing from being easily curled; 3. It is not advisable to use too much skin disinfectant, and fit the I.V. dressing film after the disinfectant on the skin surface is completely dry; 4. When puncturing the patient with a cannula needle, try to avoid the joint part as much as possible; 5. For the maintenance of the IV cannula, it is better to observe it frequently and fix it immediately. If sweat causes the film to curl, it should be replaced immediately to prevent infection; 6. For the parts that are easy to be curled, you can use elastic mesh sleeves and self-adhesive tapes to reduce the risk of curling; 7. For the skin that likes to sweat, it is more suitable to choose the hydrocolloid transparent dressing than the ordinary transparent dressing; 8. This product is a disposable product, please do not reuse it; 9. Do not use it if the package is damaged or opened; 10. This product is a hypoallergenic product, please stop using it immediately if you are allergic.