Examination of purulent auricular perichondritis reveals redness and swelling of the auricle. Auricular perichondritis (auricular perichondritis) can be classified as either plasmacytic or purulent. The lesions are either serous exudation (plasmacy) or pus formation (purulence) between the cartilage and cartilage membrane. So, how can auricular erythema be prevented? The following are the prevention methods for auricular redness: 1. The disease focuses on prevention. After trauma to the auricle, the wound must be cleared in time to prevent infection, and acupuncture or ear acupuncture treatment must be strictly disinfected, and must not be careless…. Pay attention to hygiene when you are not sick, especially for children. Anyone with purulent otitis media, ear boils, or infant eczema should pay extra attention to local cleanliness and dryness, keep the ear and its surroundings clean, and be careful not to pull out the ear indiscriminately. 2. Do not wash the ear with water after the disease. If the ear is dirty or scabbed, you can rub it with vegetable oil first, and then gently wipe it with gauze or sterilized soft paper after it has been loosened. 3. Review and check the treatment on time. 4. Avoid scratching when itching, soak some salt water if necessary and put drops on the itch. Its concentration should be able to achieve the standard of stopping itching. If it is a child, prevent him from scratching and rubbing. 5, during the period of illness, avoid alcohol, spicy food (such as onions, garlic, leeks, chili peppers, pepper, mustard, sherry red, ginger, curry), fishy things, freshwater products, seafood. 6.Bathing, haircutting and bathing, pay attention to prevent sewage from entering. Before washing hair or swimming, you can block the external ear canal with a special rubber plug or clean cotton ball. 7. Swimming is prohibited after the disease. 8. Avoid all seafood, fresh hair, squash, mustard, sherry and other foods.