Symptoms of too little stomach acid include bloating, loss of appetite and abdominal pain. Stomach acid is mainly used for digesting food, if stomach acid is too low, there is not enough stomach acid to digest the food after eating, causing indigestion, bloating, nausea, vomiting and other symptoms, and the insufficiently digested food enters the intestines and increases the burden of the intestines. Moreover, too little stomach acid can be seen in atrophic gastritis and other diseases, and atrophic gastritis can lead to anemia, loss of appetite, epigastric pain and so on. Psychological factors can also affect the secretion of stomach acid, so patients with low stomach acid caused by psychological factors may also be accompanied by depression, anxiety and other mental symptoms. It is recommended to go to the hospital and ask the doctor to make a judgment when you have symptoms of low stomach acid.