It is advisable not to drink too much water at a time, as it may dilute the gastric juice. It is advisable to take relevant medications or make dietary adjustments, such as applying millet porridge, rice porridge, barley porridge and other related foods to protect the mucosa and reduce the stimulation of the mucosa, so that the effect of gastritis can be properly relieved. The effect of gastritis can not be treated by simply drinking water.