Bleeding was seen in a child after using a cotton swab to pull out the ear. It may be related to the local skin and mucous membrane damage caused by the cotton swab, and it is recommended to terminate the ear pulling and consult a doctor immediately. Children’s external auditory canal is in the developmental stage, the diameter of the tube is thin, the skin is thin, the use of cotton swabs and other hard objects for pulling out the ear, may be abrasive local mucous membrane, and may even damage the periosteum and other structures, resulting in bleeding. When bleeding occurs, it is recommended to stop the operation, change the position to let the blood flow out as much as possible, so as to avoid the local accumulation of the external auditory canal obstruction or infection, and go to the hospital in a timely manner. In case of minor abrasions, sterilization by a physician is sufficient. However, it should be noted that if the bleeding does not stop, it is necessary to be alert to the presence of hemophilia and other coagulation disorders, and it is recommended to check the coagulation function, and consult the doctor if there is a problem. Parents are not advised to use cotton swabs to pull out their children’s ears.