Drinking soda in moderation is not harmful. Excessive consumption of soda can easily lead to bloating and other symptoms. Soda is a flavored beverage obtained by injecting carbon dioxide into water under high pressure. Soda contains no sugar, fat, protein or other energy substances, and has zero calories. It only contains some carbon dioxide to enhance its unique flavor. The main purpose of drinking soda in moderation is hydration, and soda can be combined with various types of beverages, including fruit juices and teas, to make all kinds of popular beverages. However, it must be noted that you can not drink a lot of soda at once, otherwise it is easy to lead to gastric distension and other stomach discomfort, especially in patients with poor digestive function, such as gastritis, gastric ulcer patients after a large number of soda consumption will lead to gastric distension aggravated, and even trigger nausea, vomiting, abdominal pain, diarrhea and other serious adverse reactions. Therefore, you can usually eat soda in moderation.