Getting up in the morning with blood in oral saliva may be due to laryngitis, gingivitis, blood system diseases and other diseases. 1. Pharyngitis: usually a chronic inflammatory lesion caused by foreign bodies in the throat, pathogenic bacterial infections and other factors, the occurrence of pharyngitis may cause the mucosal capillaries in the throat to rupture, thus appearing the phenomenon of getting up in the morning with blood in the oral saliva. Patients can use gentamicin, dexamethasone and other drugs for treatment. 2. Gingivitis: usually due to hormone level changes, infection and other factors lead to inflammation of the gum edge and the gingival papilla area, resulting in gingival congestion, edema and other discomforts. Patients can use hydrogen peroxide solution, chlorhexidine and other drugs for treatment. 3. Blood system diseases: Blood system diseases such as hemophilia, leukemia and other diseases may also lead to spontaneous bleeding in the mouth, resulting in blood in the oral saliva in the morning. Based on the symptom of blood in oral saliva in the morning alone, it is not possible to accurately determine the cause, but also need to be combined with other test results to make an accurate judgment, and it is recommended to clarify the cause of the disease under the guidance of a doctor.