Gastric body lesions refer to lesions such as erosion, ulceration, atrophy, or cancer that occur in the gastric body portion of the stomach. Anatomically, the human stomach can be divided into four parts: cardia, fundus, body and pylorus. Gastric body lesion is a lesion in the body of the stomach, which can be manifested as congestion, edema, erosion, ulceration, bleeding, perforation, atrophy or even cancer. Gastric body lesions are usually found during gastroscopy, and their nature can be clarified through biopsy. Common clinical diseases causing gastric body lesions include chronic gastritis, gastric ulcer, gastric cancer, etc., and patients mostly manifest acid reflux, belching, abdominal pain, abdominal distension, nausea, vomiting, and loss of appetite. Patients with gastric body lesions are advised to seek timely medical treatment to identify the cause of the disease and carry out targeted treatment to avoid delaying the condition.