The soft tip refers to the intravenous indwelling needle, which can usually be moved appropriately, but the intravenous indwelling needle cannot be moved casually. Intravenous indwelling needle puncture is a commonly used therapeutic measure in the clinic, which is mainly composed of stainless steel core, soft outer sleeve tube, plastic needle holder, etc. After puncture, the soft outer sleeve tube is used to infuse in the blood vessel, and due to the flexibility of the soft outer sleeve tube, the hand with the intravenous indwelling needle can be moved appropriately, but it cannot be moved casually, so as to avoid twisting of the soft outer sleeve tube, which will lead to the impossibility of infusing the fluids. Intravenous needle has the role of protecting the vein, can effectively reduce the pain of intravenous infusion repeated puncture, when the local retention of intravenous needle, try not to move, need to do a good job around the puncture point of the skin cleanliness and hygiene, to avoid the displacement of the needle to avoid intravenous needle, so as to carry out puncture again, increasing the patient’s pain. During hospitalization, the nurse needs to guide the range of motion according to the condition of the IV needle. If there is any discomfort in the local skin, communicate with the nurse in time to avoid delaying the condition.