A cup of lemonade in the morning has no special benefits, mainly for the body to supplement water and certain carbohydrates and other nutrients. The nutritional value of lemonade is relatively rich, per 100 grams of lemonade contains carbohydrates 6.2g, protein 1.1g, calcium 101mg, vitamin C22mg, potassium 209mg, a cup of lemonade in the morning to meet the body’s demand for a variety of nutrients, but also for the human body to replenish a large amount of water, to maintain the body’s normal physiological functions. As lemons contain a large amount of citric acid and malic acid, it is generally recommended that lemonade should not be consumed in excess, because excessive consumption may cause excessive secretion of gastric acid, causing irritation of the gastric mucosa, resulting in discomfort, especially with gastroesophageal reflux and other gastric acid secretion of the patient, should avoid excessive consumption of lemonade.