Vomiting blood

Spit blood in the mouth, bleeding from the stomach and esophagus, and food residues. "Su Wen · Ju Pao Lun": "Anger is qi, but even vomits blood and bleeds." "Kin Kuai Sui Lue" calls it "vomiting blood." In later generations, there were many doctors who distinguished between "vomiting blood" and "vomiting blood" from the presence or absence of sound. In fact, the two are the same. The blood in the stomach and esophagus does not flow out by itself, and it must be accompanied by vomiting. Therefore, "Medicine" also believes: "Spitting blood means vomiting blood. The old way is to say vomiting silently.