The difference between stomach cancer and gastric ulcer symptoms is as follows: 1. Stomach cancer, which is a malignant tumor, can be judged by pathological nature examination, in which there are also cancer cells. Patients can be accompanied by symptoms such as wasting, weakness and stomach pain, and the pain can be continuously aggravated and radiated to the waist, and there is no obvious effect in giving antacid treatment. Gastric cancer of cardia may be accompanied by acid reflux and difficulty in swallowing, and the difficulty in swallowing is progressively aggravated. 2. Gastric ulcer, patients usually have a long disease duration and recurrent pain, but antacid treatment is effective, and it is not accompanied by weight loss, loss of appetite and anemia.