A thick scab after a tattoo can be removed by the following methods: the first is to apply a zinc oxide borate ointment, and keep it on for about 3 hours after application, without applying it. The thickness of the application is about the thickness of a dollar coin, and then proceed to remove the scabs, gently wipe with a sterile cotton ball, wipe if you can wipe off, wipe if you can’t, keep it, and wait for a period of time before wiping again. Never be able to rub hard, so as not to cause damage to the body. The second method is to use comfrey oil or licorice oil to apply foam, also the same method, after 3 hours, gently wipe with a sterile cotton ball. In the scab after the tattoo, if there is a yellow scab, or yellow oozing, to use topical fusidic acid ointment, or compound polymyxin B ointment and so on.