Diet after gastric polyp biopsy should pay attention to light liquid food, temporary fasting, do not eat red food. 1. Light liquid food: choose light, easy-to-digest liquid food, avoid drinking alcohol, avoid spicy, hard, greasy, hot and other stimulating food. 2. Temporary fasting: After the biopsy of gastric polyps, it is necessary to temporarily fast, and the time of fasting depends on the condition of the patient, usually for 6 to 8 hours. 3. Don’t eat red food: such as dragon fruit, coffee, etc., because we need to determine whether there is gastrointestinal bleeding through the color of stool and vomit, and red food may cause interference. If you feel unwell after a gastric polyp biopsy, it is recommended that you consult a doctor in a timely manner and under the guidance of the doctor for targeted treatment to avoid delays.