Skills: There are certain skills in infusion and injection, but it also requires long-term training, and the feel is very important. Beginners can often wipe some people's blood vessels and find the feeling of that blood vessel. It doesn't matter to be steady and slow when inserting needles, but it is very important to be steady, which can also give yourself confidence and reduce the patient's opinion. Increase the chances of practicing many times, practice makes perfect, and you should be more courageous.

Generally choose thick and straight blood vessels, but they are easy to slide down, so cover your skin tightly when playing.

If the blood vessel is thin, should we grasp the angle of needle insertion?

Don't insert too many needles into the blood vessels that are not straight, can you 1/2 and fix them with binding?

The blood vessels of the elderly are very fragile. Must the needle feed speed be slow?

It's best to distract the patient when giving an injection. Technical problems can alleviate the pain?