Cockroaches drilled into the ear, you need to consult a doctor to remove the cockroach, and if necessary, you can follow the doctor’s instructions to use anti-infective drugs. Cockroaches drilling into the ear indicates that the ear has entered a foreign body, due to the cockroach’s large size, and easy to damage the mucous membrane of the ear, tympanic membrane, causing discomfort in the ear, etc., so the patient needs to go to the doctor for examination, and if it is clear that the cockroach is already dead, then cooperate with the doctor to remove it with sterile instruments. If the cockroach is still alive, an oily liquid should be dripped into the ear canal and removed after the cockroach is dead. After the cockroach is removed, in order to avoid residual limbs, the ear can also be rinsed with saline to avoid residual foreign bodies. If the cockroach damages the mucous membrane of the ear, it is necessary to follow the doctor’s advice to use anti-infection drugs. Strengthen the ear care in daily life to avoid water or other foreign body stimulation in the ear. Cockroaches drilled into the ear are recommended to seek medical treatment as soon as possible, and should not be removed by themselves with cotton swabs or other objects.