Joke Collection Website - Talk about mood - What should I do if there is a blood bubble on my hand?

What should I do if there is a blood bubble on my hand?

Disease analysis:

Hello! Under normal circumstances, it can be punctured with a needle, but it must be disinfected with a needle first. There are two ways to disinfect needles: 1. Burn the needle with fire. 2. Wipe with alcohol.

Guiding opinions:

It is suggested that a small eye can be opened with a needle to squeeze out the blood inside. After the poisonous water on the wound is punctured with a needle, it can be cleaned with a clean cotton swab immediately. Then apply some anti-inflammatory ointment. I wish you the best of health!