Generally speaking, you can drink pure milk about 2~6 hours after gastroscopy biopsy, but you should drink warm milk, not ice. Pure milk has a large number of protein components, can improve the body’s immunity, there is no damage to the gastric mucosa, in the gastroscopy biopsy, there is no coma, dizziness, headache and other phenomena of the crowd can be 2 ~ 6 hours after drinking pure milk, but should not drink cold, can drink warm, cold food will be irritating to the stomach, is not conducive to the repair of the gastric mucosa after the biopsy, the lactose intolerant people should avoid eating. In the evening of the day after the gastroscopy biopsy, you can eat some liquid food, such as millet porridge, pork porridge and other food, eat small meals, eat should not be too full. How long after the gastroscopy biopsy is recommended to follow the doctor’s diet.