Every time you wake up in bed with blood in the mouth and oral diseases, gastric ulcers, gastric cancer and other diseases, many people will have oral diseases, such as periodontitis, gingivitis, dental caries, etc., this type of disease will lead to gums red, swollen, seepage of blood, many people in the morning when they get up, there will be accompanied by blood in the mouth, and at the same time there are also symptoms of bad breath. Gastric ulcer is a relatively common stomach disease, this disease is due to the presence of ulcer surface of the gastric mucosa, part of the people’s ulcer degree is more serious, and even on the stomach wall of the blood vessels caused by corrosion, which leads to the phenomenon of seepage of blood, part of the gastric ulcer patients in the morning when they get up, spit out of the saliva will be with a part of the blood. Gastric cancer is a more serious disease, which will greatly affect the function of the stomach. After the disease, not only will there be indigestion, nausea, vomiting, loss of appetite and other symptoms, but also due to the invasion of the cancer cells to the surrounding, thus leading to the gastric mucous membrane with hemorrhage, and even a lot of people wake up in the morning with blood in their saliva.