The care of subclavian vein puncture has the following points: 1, must be strictly disinfected before or after use to prevent infection of the subclavian vein puncture tube; 2, must also be given regularly to fix the skin of the tube and suture wound disinfection on a regular basis, change the sterile dressing; 3, after the injection is completed, if there is no continued addition of fluid, must also apply heparin sodium to seal the tube treatment, to avoid the blood in the 4, must closely observe the abnormal condition of the pipeline, such as the infusion of fluid appears obvious slow or local redness, pain or even the formation of hematoma, must immediately report to the doctor, do the corresponding treatment.