Non-atrophic gastritis with erosion can take calcium carbonate D3, but due to cause abdominal distension, nausea and vomiting and other discomforts during treatment is not recommended. Non-atrophic gastritis with erosion means that the patient’s gastric mucosa has inflammation, but there is no atrophy of gastric glands and intestinalization, with medication and general treatment as the mainstay.1. Medications include omeprazole enteric-coated capsule, mosapride, etc.2. General treatment includes diet, which is light and regular and avoids spicy and stimulating foods. Calcium carbonate D3 is used as a calcium supplement for pregnant and lactating women, menopausal women, and the elderly, and to help combat osteoporosis. Adverse reactions include belching (hiccups), constipation, flatulence, nausea and vomiting, and other gastrointestinal disturbances. It is contraindicated in patients with hypercalcemia, hyperuricemia, calcium-containing kidney stones or history of kidney stones, used with caution in patients with cardiac and renal insufficiency, and in patients who are allergic to the product. It is recommended to go to the regular hospital in time for treatment, do not use drugs blindly to avoid causing adverse effects.