The ear piercing should pay attention to the following aspects: 1. Do not get wet within a short period of time, because it is easier to get the ear piercing wet by washing the face and hair frequently, and there are more microorganisms in the water, which can easily lead to local microbial infection; 2. If the ear piercing bleeds, it should be pressed in time, because repeated bleeding can easily accompany infection; 3. Be careful not to press the ear piercing area when sleeping, because the pillow itself is not clean, and if you press the area not only The blood circulation is not good, but also the bacteria on the pillow will come into contact with the ear hole area, leading to infection. When sleeping, it is best to sleep on your back or a little bit on your side, not on your left or right side. 4. After getting your ear pierced, you should disinfect it in time, wash it several times a day and disinfect it locally several times.