Oral care for comatose patients is a very important thing to do to effectively clean out foreign bodies from the mouth and reduce infections in the mouth. First is the time, the most conventional method is twice a day, once in the morning when you wake up, as well as again in the afternoon or evening after the end of feeding, there is a special transoral care care package with a suction and a sponge joint, which can not be equipped at home, only in the hospital for rinsing. There is also at home, you can buy a pair of tweezers with mouthwash and corresponding cotton balls for wiping. First of all, the two sides of the advanced to wipe the deep, and then the conditions of the patient can open their own mouth, you can gradually brush the inner side of the mouth. Another point, pay attention to oral hygiene. If the patient has an odor in the mouth, promptly check the changes in the condition, if there is a suspicion of anaerobic bacterial infection, you can apply hydrogen peroxide to rinse the mouth, or add certain drugs to the mouthwash, such as metronidazole or iodophor for rinsing.