Auricle in general will not become larger, if the unilateral auricle, mostly due to acute auricular suppurative chondritis, mostly unilateral auricle onset, in addition to the auricle enlargement, there will be the phenomenon of redness and swelling of the auricle of the affected ear, severe pain, the need to be treated as soon as possible with sensitive antibiotics, and, if appropriate, also need to use glucocorticosteroid drugs. If acute auricular suppurative chondritis is not treated in time, it will develop into acute suppurative chondromalacia abscess, which can cause auricular deformity; if unilateral auricular depression of localized swelling and bulging, it is considered to be caused by auricular pseudocysts; if the patient feels that both sides of the auricle are enlarged, but there is no symptoms of redness, swelling, heat and pain, it is considered to be related to the patient’s psychosomatic factors. The specific situation, need to go to the otorhinolaryngology department in order to clarify the diagnosis and treatment.