Speak of canker disease everybody is familiar with again nevertheless, beside a lot of people have the medical history of canker disease, the likelihood had this disease among the person lifetime that has 10% about in the crowd, it is a frequentness come on and common disease. A lot of people think this is a minor illness, like a cold in a few days, it is not enough attention. In fact, peptic ulcer is not a "minor problem", its complications can be fatal.

　　Peptic ulcer mainly includes duodenal ulcer and gastric ulcer, the former is common in young people, we will not elaborate, in this emphasis on the latter. Gastric ulcer usually occurs in middle-aged and elderly people aged between 40 and 60 years old. Its pathological changes are mainly caused by gastric mucosal erosion under the continuous action of various gastritis causes, leading to ulcer. The patient usually presents with stomach discomfort, epigastric distension, dull pain or dull pain, especially 30 minutes to 1 hour after eating when the stomachache is obvious, accompanied by nausea, pantothenic acid, anorexia and other symptoms.

　　Gastric ulcer bleeding is the most common complication, with 20-30% of patients with gastric ulcer having a history of bleeding, and nearly half of all patients with gastrointestinal bleeding are caused by gastric ulcer. If peptic ulcer erosion around or deep blood vessels will cause different degrees of bleeding, serious hematemesis, emergency, need to immediately gastroscope hemostasis or even surgery. Perforation of gastric ulcer is one of the complications, which belongs to the category of acute abdomen. Food scraps in the stomach are mixed with stomach acid and flow into the abdominal cavity, which is a powerful stimulus to the body. Patients often present with sudden and severe epigastric pain that continues to intensify. The pain then spreads from the epigastric to the whole abdomen, with epigastric myotonia, muscle tension, and shock in severe cases.