As long as the patient with gastric ulcer is in a stable condition and has no abdominal pain, nausea, vomiting, diarrhea and other uncomfortable symptoms, there should be no problem in eating crucian carp soup in this situation. Patients with gastric ulcer should pay attention to the law of diet in their daily diet. They should not eat spicy and stimulating food, stiff food, smoking and drinking. There is no strict restriction on the type of specific food. It does not mean that many foods are not allowed to eat, but they should be more regular. So as long as the condition is stable, there is no particularly strict requirement on diet, and there is no problem in eating crucian carp soup in this case.