Gastroenteritis patients can eat blueberries, but can not eat too cold, avoid the blueberries just out of the refrigerator, it is best to use warm water before consumption. Blueberries have rich nutritional value, containing vitamin C, anthocyanins, pectin, organic acids and other multi-swelling substances, with eye protection, enhance vision, enhance immunity, antioxidant, anti-aging, increase memory and other effects, also beneficial to the gastrointestinal. For patients with acute diarrhea, to temporarily avoid eating, blueberries have laxative, laxative effect, will aggravate the symptoms of diarrhea, and each time you can not eat too much, 10-20g can. Blueberries contain oxalate, and excessive consumption will produce crystals in the body, which is harmful to the body. At the same time, patients are advised to eat warm, soft and easily digestible food, eat less and more meals, get enough sleep and maintain a good mood to promote recovery.