If there is a bug in the ear, you can choose the oil drop method, flashlight, etc. to drive it out, and if you do not see the bug come out, you should seek medical attention. 1. Oil drop method: ensure that there is no tympanic membrane perforation under the premise, you can fill the patient’s ears with cooking oil, so that the oil to stick to the bugs, and through the buoyant force to make it overflow out of the ear canal. 2. Flashlight irradiation: most of the bugs are phototropic, if it is not a kind of cockroach light avoidance insects under the premise, you can irradiate the ear through the flashlight, so that the bugs will follow the light of the flashlight to leave the ear on their own. If you can’t deal with the bugs in your ears, you need to go to the hospital in time and let the professional doctor take out the bugs through the professional instruments, and you can’t treat the bugs on your own, which may lead to adverse consequences.