Morning saliva cloudy with blood spit a few mouth is gone, which is mainly related to oral dryness, bleeding gums, nasal diseases and other reasons. 1. Dry mouth: patients with nasal breathing is not smooth, sleep at night when breathing through the mouth, will cause the oral mucosa dry, get up in the morning may lead to capillary rupture, thus appearing saliva cloudy with blood. Patients can take a closed-mouth breathing, transfer to a more moist environment to rest. 2. Bleeding gums: when patients suffer from gingivitis or periodontitis and other diseases, the gums will bleed easily when they suffer from external stimuli, such as eating or brushing. Patients can develop good hygiene habits, wash the mouth with saline, and follow the doctor’s instructions with 1% hydrogen peroxide solution with chlorhexidine gargle treatment. 3. Nasal diseases: patients suffering from sinusitis, dry rhinitis and other nasal diseases, night rest may bleed, and back to the mouth, the morning will appear cloudy saliva with blood. Patients can identify the cause of the disease under the guidance of a physician and treat with glucocorticoids, such as budesonide, or antibiotics, such as metronidazole and amoxicillin. If the patient’s saliva is cloudy with blood after waking up in the morning, and spit a few mouthfuls of it, you must consult a doctor in time to find out the cause of the disease and related treatment, the use of drugs need to comply with the doctor’s instructions.