Pain on both sides of the stomach may be related to physiological factors such as strenuous exercise, mental tension, and may also be related to acute gastroenteritis, irritable bowel syndrome, food poisoning, etc. 1. Physiological factors: for some strenuous exercise, mental stress, long time to maintain a bad posture and other people, may appear on both sides of the stomach pain phenomenon. This can usually be significantly improved after eliminating the causative factors and taking rest. 2. Acute gastroenteritis: Acute gastroenteritis is related to pathogenic microbial infection, improper diet and other factors. Patients may have diarrhea, abdominal pain, nausea and vomiting, loss of appetite and other symptoms, while some patients may be manifested as pain on both sides of the stomach or pain in the upper middle abdomen. 3. Irritable bowel syndrome: the disease is related to visceral hypersensitivity, abnormal gastrointestinal dynamics, intestinal microecological imbalance and so on. Typical symptoms of patients include abdominal pain, diarrhea or constipation, which may be manifested as pain on both sides of the stomach. 4. Food poisoning: food poisoning is related to the body eating food containing toxic substances, the patient can appear on both sides of the stomach pain phenomenon, but also easy to accompany nausea and vomiting, diarrhea, chills, fever, headache and other symptoms. There are many causes of pain on both sides of the stomach, such as intestinal cramps, peritonitis and so on. It is recommended that the patient consult a doctor for examination in order to clarify the cause of the disease and then follow the doctor’s instructions for treatment.