Getting up in the morning with white mucous membrane in the mouth is generally a normal phenomenon, but may also be related to mouth ulcers, thrush and other diseases, it is recommended to consult a doctor in time to clarify. 1. Normal phenomenon: If there is open-mouth breathing, drinking too little water and dry mouth when sleeping at night may lead to the evaporation of water in the mouth, so that oral secretions become white mucus, thus appearing in the morning get up in the mouth with a white mucous membrane, generally a normal phenomenon. 2. Oral ulcers: white mucous membrane in the morning may be oral ulcers caused by the local mucous membrane of the oral cavity atrophy accompanied by saliva conjugate. It is recommended that such patients to maintain oral hygiene, prevent secondary infection, when the symptoms are serious, you can follow the doctor’s instructions to use oral ulcers, stomatitis particles and other medications, usually pay attention to strengthen the exercise, improve resistance. 3. Thrush: this kind of patients infected with Candida albicans will usually form white flakes on the surface of the oral mucosa, and the white mucous membrane in the morning may be related to thrush. This situation can follow the doctor’s instructions to use mycobacterin tablets, fluconazole capsules and other drugs antifungal treatment. It is recommended that patients usually maintain good oral hygiene habits, and appropriate exercise to enhance physical fitness. The presence of the above factors, excluding normal phenomenon, should be timely medical clarification.