Gastroenteritis patients should not drink coffee, because there are many components in coffee that are very irritating, and gastroenteritis patients with fragile gastrointestinal mucosa, often congestion, edema, erosion, and even bleeding. If you drink coffee may aggravate the damage to the gastrointestinal mucosa, which is not conducive to recovery. Coffee contains caffeine, which will stimulate the gastrointestinal state in the fasting state, damaging the gastrointestinal mucosa and turning into a peptic ulcer for a long time. For gastroenteritis patients advocate giving warm, soft, light, easily digestible liquid and semi-liquid food, avoiding strong tea, coffee, alcohol and other adverse stimuli. Also ensure sufficient sleep and increase exercise appropriately to promote recovery.