The patient has a small bump inside the earlobe. Two main conditions are considered: First, it is often seen in young people, who are prone to forming sebaceous cysts due to the particularly vigorous secretion of sebaceous glands, and the bumps will be clearly palpable and sometimes more painful when touched by hand. In terms of treatment, it can be applied with Bactrim ointment for anti-inflammatory treatment, and if necessary, it needs to be solved through surgery. Second, keloid, often occurs in young people after ear piercing, hard bumps appear inside the earlobe, and patients often have a cold body. In terms of treatment, this can be done by applying Denide cream. After active treatment, the condition should improve to a certain extent, and if necessary, surgery is also required. However, there is a high chance of recurrence after keloid surgery, and patients should be prepared for this. Patients should pay attention to hand hygiene and should not touch the bumps with their hands to avoid aggravating the condition.