Getting up in the morning and spitting red saliva is the presence of bleeding, which may be related to oral diseases or lung diseases. Oral diseases include gingivitis, periodontitis, etc. There is tartar or soft tartar present around the teeth, and long-term stimulation leads to bleeding gums and blood in the saliva when you wake up in the morning. Symptoms can be relieved by improving periodontal inflammation through measures such as scaling. Lung diseases such as tuberculosis, bronchial dilatation or tumors in the lungs, there will be coughing, hemoptysis, blood in the saliva in the morning, need to carry out relevant further examination to confirm the diagnosis. Therefore, getting up in the morning and spitting red saliva may also be caused by other reasons, it is recommended to go to the hospital in a timely manner in order to identify the cause of the disease.