You can drink water in the morning without brushing your teeth. Usually after waking up in the morning, first brush your teeth, and then drink water or eat, if you don’t brush your teeth and drink water directly, some bacteria in the mouth are brought into the gastrointestinal tract by the water, gastric juice has a strong gastric acid, which can kill the bacteria that enter the gastrointestinal tract, and so it won’t cause too much impact. In daily life, it is recommended to get up to brush your teeth before drinking water, brushing your teeth can effectively remove food debris in the mouth, plaque and other substances, making the incidence of oral diseases reduced, while supplementing the body’s loss of water during the night when you sleep, but also effectively stimulate gastrointestinal peristalsis, to prevent constipation and other discomforts. The body’s immune function, bacteria or viral infections have a strong resistance, even without brushing your teeth to drink water will not affect your health. If due to their own oral disease, it is recommended to get up in the morning after brushing teeth before drinking water.