Patients with dyspepsia who have a low fever are considered to have recently consumed a cold, unclean diet resulting in gastroenteritis, because simple dyspepsia does not cause a low fever, but it should also be noted that patients with dyspepsia may not normally have good digestion and absorption or intestinal function, may have slightly poor nutrition, may have a low immune system, and when the immune system is low, it may When the immune system is weak, the patient may be prone to infections and may have a low fever or other symptoms. Patients with indigestion who have symptoms for a long time must undergo relevant examination and treatment to improve the symptoms of indigestion, and the low fever can be properly relieved, but simple indigestion will not cause low fever.