Fasting physical examination, you can drink a small amount of water in the morning, about 100 to 200 ml of water is not affected, because some people need to take long-term medication, and some antihypertensive drugs or hypoglycemic drugs need to be taken orally in the morning, the physical examination does not need to stop the medication, normal medication can be taken, and take the medicine will need water, and a small amount of water for the examination is no effect, so the patients of the physical examination in the morning is You can drink water, as long as you do not drink a lot of water. At the same time fasting physical examination should avoid a lot of exercise and the day before a light diet, avoid eating too greasy and spicy stimulating food, etc..