It is best to choose a reputable shop for ear piercing, or let friends who have ear piercing recommend it.
Playing on the ear bone does have certain risks, because there are many acupuncture points on the ear, and it will have serious consequences if it is not tied well.
You can choose to hit the meat next to the ear bone and let people hit it at home with their hands. The machine is easy to hit, but the pain is greater.
No matter whether you hit the ear bone or the meat, don't hit more than three at a time. It's best to play one at a time. If you want to fight again, wait until it grows well, otherwise it will be easily infected and difficult to heal.
Don't take off your earrings every day, disinfect them with hydrogen peroxide, apply erythromycin ointment, soak them in water and dry them with cotton swabs.
If the swelling is serious, you can take anti-inflammatory drugs such as cefradine orally. If the time is longer, it is best to let others change your earrings.