Soda water long-term large amounts of drinking may cause increased sodium intake, stomach acid is neutralized, affecting calcium absorption, etc. At the same time, suffering from hypertension, atrophic gastritis, chronic renal insufficiency and other people should not long-term large amounts of drinking. 1. Carbon dioxide and sodium bicarbonate are added to soda, which will decompose into carbon dioxide, water and sodium after entering the human body. Drinking large quantities of soda for a long time, need to pay attention to the amount of sodium intake, to avoid excessive intake, especially hypertensive patients, and at the same time for people with chronic renal insufficiency, should not drink, can cause acid-base balance imbalance. 2. Sodium bicarbonate in soda will react with the hydrogen ions in gastric acid, so drinking large quantities of soda over a long period of time, the amount of gastric acid may be reduced, and people with atrophic gastritis who have less gastric acid secretion themselves should not drink soda. 3. Long-term large amounts of soda can affect calcium absorption, may lead to osteoporosis, children, teenagers, the elderly should not drink long-term. Therefore, soda, should be reasonable and moderate drinking, so as not to bring adverse effects on the body, such as drinking discomfort, it is recommended to seek medical attention in a timely manner.