Gastric erosion, congestion and leukoplakia are more serious cases. If the gastric mucosa tissue is congested, leukoplakia and other lesions, it may damage the surrounding nerve tissue causing abdominal pain symptoms, and once the local blood vessels are damaged, it may cause hemorrhage, which is manifested as black stools. If the local lesions are repeatedly stimulated by food and gastric acid, cancer may also occur. If there is gastric erosion and congestion and white spots, you can follow the doctor’s instruction to take drugs such as famotidine and aluminum thiosulphate to protect the gastric mucosa, and after active treatment, the local lesions will gradually recover. When the above situation occurs, it is recommended to consult a doctor in a timely manner, under the guidance of a professional physician as soon as possible, so as not to delay the condition. Normally, you should also pay attention to the regularity of diet, avoid drinking and eating spicy and stimulating food, and develop good dietary habits.