There are many causes of acute stomach pain, including functional causes such as exposure to cold and eating cold food, and pathologic causes such as peptic ulcer. It is recommended to consult a doctor in time to clarify the cause. 1. Functional causes: mainly due to bad life and dietary habits, such as eating cold and spicy stimulating food, cold abdomen, etc., can cause digestive disorders, acute stomach pain, usually mild pain, can be improved by changing the lifestyle. 2. Pathological causes: various causes of peptic ulcer, acute gastritis, such as oral large doses of non-steroidal anti-inflammatory drugs, large amounts of alcohol intake, Helicobacter pylori infection, etc., can cause local gastric mucosal injury, acute stomach pain, pain is more pronounced, usually can not be relieved on their own, and need to rely on medication and other treatments. Those who suspect acute stomach pain should not take painkillers on their own, so as not to cover up the condition, and need to consult a doctor in time.