The morning up with blood cloudy saliva can be seen in the night before incomplete brushing, resulting in food residues in the mouth, spitting saliva will be cloudy, combined with fire and other factors leading to bleeding gums, can make the morning up with blood cloudy saliva, also visible in the mouth dry, gum inflammation, nasal diseases, gastrointestinal diseases and other reasons. 1, dry mouth: dry climate, cold and nasal congestion, sleep for a long time with the mouth breathing may lead to dry oral mucosa, wake up in the morning after friction may lead to capillary rupture bleeding. Bacterial decomposition in the mouth may appear in the morning up with blood cloudy saliva performance, you can use air humidifier to improve the humidity of the environment, closed mouth breathing, improve oral dryness symptoms and thus alleviate the above symptoms; 2, oral inflammation: such as periodontitis, gingivitis, etc., may be due to the accumulation of dental calculus in the teeth and gums to stimulate the tissue around the gum inflammation, can bleed under the stimulation of sucking or brushing and other actions, or at night Bleeding may occur at night. In the morning, the patient’s saliva may be cloudy with blood due to the presence of plaque or food debris in the saliva. Local topical chlorhexidine acetate solution and other anti-inflammatory drugs such as metronidazole and amoxicillin can be used under the guidance of a doctor to improve the symptoms. 3. Nasal diseases: such as sinusitis, dry rhinitis and nasal tumors can lead to intranasal bleeding, and blood may flow back to the mouth when resting, making the saliva with blood turbid in the morning. It is recommended to go to the hospital for relevant examination in time. Sinusitis and dry rhinitis can be treated with vasoconstrictors, glucocorticoids such as budesonide and mometasone furoate, antibiotics such as tinidazole and metronidazole, and anti-allergy drugs under the guidance of doctors. Patients with nasal tumors need timely surgical treatment; 4. Gastrointestinal diseases: bleeding from upper gastrointestinal tract diseases, or diseases such as gastroesophageal reflux leading to upward reflux of esophageal contents at night when resting, with some blood and stomach and esophageal contents mixed in the saliva, so that the saliva spit out in the morning is cloudy with blood. Endoscopy can be performed to find out the location and cause of bleeding, and use drugs that inhibit stomach acid, such as omeprazole, lansoprazole, or drugs that inhibit vascular bleeding, etc.; 5. Other: diseases with abnormal coagulation can lead to spontaneous bleeding from the mouth and nose, and blood can be discharged with saliva when spitting up in the morning, mixing with oral contents to make the saliva cloudy with blood. It is necessary to visit the hospital for examination to clarify the cause of the abnormal coagulation function and to carry out treatment for the cause.