Swollen ear holes need to eat a light diet, use some anti-inflammatory drugs, pay attention to local hygiene. The redness and swelling of the ear hole is considered to be an infection, you can use iodophor or alcohol to disinfect the ear locally and give anti-allergy or anti-infection treatment, use some anti-inflammatory ointment such as erythromycin to apply once in the morning and once in the evening, and gently rotate the earring to let the ointment enter the ear hole after applying it. Or take some antibacterial and anti-inflammatory drugs, such as amoxicillin, cefaclor and so on. Usually eat a light diet, do not eat spicy and stimulating food, eat more fruits and vegetables. Avoid touching water to the ear holes in your life, keep your ears dry, and don’t often touch and squeeze with your hands to avoid bacterial growth. If the symptoms persist for a long time, it is recommended to go to the hospital for examination and professional treatment under the guidance of the doctor.