Indwelling needles should be removed by a healthcare professional after sterilization. The inserted needle is soft and secured with a film to prevent it from falling out. Before removing the needle, the film should be removed and the area around the puncture point should be sterilized, then a cotton swab or cotton ball should be held in one hand and pressed against the area where the needle was inserted, and the needle should be removed quickly with the other hand. After pulling out the needle, ask the patient or family members to continue to use the swab to press for more than 1 minute until no bleeding, do not move back and forth to prevent subcutaneous bleeding and other conditions, no bleeding can be released and discard the swab. At the same time, do not do strenuous exercise, do not scratch the puncture site to prevent bleeding and infection. Pulling out the indwelling needle is relatively simple compared to other operations, but still need to be operated by professional medical personnel, do not pull out by yourself to avoid bleeding and other situations.