Stomach pain and fatigue are caused by gastric ulcers, gastrointestinal colds, liver diseases, etc. Once patients with gastric ulcers eat irritating or indigestible food, it will cause irritation to the ulcer surface and cause severe pain in the stomach. And with the aggravation of the disease, it will also affect the patient’s immune system, and many people will be accompanied by physical weakness, malnutrition and so on. Gastrointestinal colds are caused by viruses that invade the gastrointestinal system. During the illness, the gastrointestinal system is infected by viruses, which causes gastrointestinal symptoms, and many people suffer from stomach pain and diarrhea. Patients with gastrointestinal colds also suffer from cold symptoms, such as nasal congestion, sneezing, aching limbs, and body fatigue. There are many liver diseases that can lead to a decline in liver function, such as hepatitis, cirrhosis, etc., which will not only affect the stomach’s ability to digest food, but also lead to weakness, anorexia, drowsiness and other symptoms.