Earlobe swelling, common causes are as follows: a. Abnormal accumulation of local adipose tissue, mostly seen in patients with obese physique, large accumulation of fat in the earlobe, which can be manifested as lipoma-like changes. At this time, if the patient has no obvious pain or swelling, and the surrounding skin is not red or swollen, the fatty tissue accumulation is considered to be a benign lesion and does not require special treatment for the time being. If the accumulation of fatty tissue is excessive and affects the patient’s aesthetics, surgical removal can be considered. Second, local skin and soft tissue infection, mostly seen after mosquito bites or skin breaks, local bacteria enter the subcutaneous tissue, causing acute inflammation, resulting in swelling of the earlobe. In this case, the patient can apply topical gold ointment, and if there is an abscess formation, abscess incision and drainage can be considered to quickly control the local infection and restore the swollen earlobe to normal.