Blood collection needles are usually not infected, but can be infected if not properly operated. The blood collection needles used in the clinic are sterile disposable medical devices, and the doctor will disinfect the patient’s fingers before blood collection, which usually will not cause viral or bacterial infection under regular operation, so patients do not need to worry too much. If the blood collection needle is not properly operated during the process of finger sticking, such as illegal operation without effective disinfection of the finger, the blood collection needle contaminated with the use of the situation may lead to the emergence of infection. Patients in the blood collection needle, finger finger blood collection should be in accordance with the process of operation, to avoid the occurrence of infection. Patients should choose regular hospitals to avoid irregularities when collecting blood from the finger.