You can choose to use ice to reduce the swelling of the pierced ear, or use medication. 1. Ice: For people with swollen ear holes, if there are no other adverse symptoms other than swelling, then it is mostly considered to be physiological edema, and ice can be chosen to reduce swelling treatment. 2. medication: for the bacterial infection and other factors after the swelling of the ear hole, in addition to swelling, will be accompanied by the ear hole skin temperature rise, pain, redness, and in severe cases will flow pus. At this time you can follow the doctor’s instructions to choose to apply drugs, such as erythromycin ointment, supplemented by oral antibacterial drugs, such as amoxicillin, if necessary. For people with swollen ear holes, it is recommended to go to the hospital in a timely manner, to clarify the cause as soon as possible, and the use of medication needs to follow the doctor’s instructions.