Dietary precautions after gastroscopy biopsy mainly include two aspects of eating time and eating type. 1. Eating time: gastroscopy biopsy is an invasive examination, the biopsy site will have wounds, so you can not eat within 2 hours after the biopsy, otherwise the food will cause damage to the wound, but you can drink a small amount of water, such as warm water. 2. Types of food: 2 hours later, you can eat some fluids or semi-fluids, such as rice, soup and noodles, etc., but pay attention to whether there is any discomfort when eating, a small amount of food, eat slowly, and avoid eating stimulating food, such as spicy food, which will affect the healing of the wound. After the gastroscopic biopsy is completed, vital signs need to be observed and any bleeding symptoms, such as hemoptysis, vomiting blood, etc. should be observed.