Drinking ginger water on an empty stomach in the morning is primarily a way to get the water you need as well as a small amount of vitamins and other nutrients. But food is not medicine, can not play the same effect as medicine. Ginger has a certain nutritional value, per 100 grams of ginger in the calories for 172 calories, but also contains some carotene and retinol. Each 100 grams of ginger contains 176 μg of carotene, retinol 28 μg. After a night of body water loss, the body needs to replenish a certain amount of water. So getting up in the morning and drinking a glass of ginger water is good for hydration. People who are allergic to ginger should not consume it. In your daily life, please seek medical advice if you feel unwell.