Under normal circumstances, it is recommended to drink warm, fresh water after vomiting. Drink a small amount of water several times, do not drink too much at once, to prevent excessive stimulation leading to further vomiting. If the vomiting is more violent and the number of times of vomiting is more, in order to prevent dehydration or electrolyte disorders after vomiting, you can also drink sugar water, saline can also be. If the vomit is dark brown or bloody, it is recommended that you do not drink or eat, and must go to the hospital for further examination to prevent bleeding from worsening after eating or drinking. If there is no bleeding, you can consider drinking water or warm water.