Difficulty in stomach and sweating may be caused by stomach cramps, or it may be caused by stomach ulcers, or it may be caused by stomach perforation and so on. 1. Gastroparesis: gastroparesis is a disease caused by excessive contraction of the smooth muscle of the stomach wall due to overfeeding, strenuous exercise after meals, stress, cold, fatigue, hunger and other factors, because of the sympathetic nerve excitation during the epigastric pain, so the patient can have the symptoms of gastroparesis and sweating. 2. Gastric ulcer: gastric ulcer is a kind of gastric mucosa in high gastric acid, pepsin attack, digestion of its own mucosa leading to localized inflammatory defects in the disease, the disease can also lead to patients with intolerable pain in the stomach, which stimulates the sympathetic nerves to appear sweating symptoms. 3. Gastric perforation: gastric perforation is a serious complication of gastric ulcer, gastric perforation patients due to the flow of gastric juices into the abdominal cavity, so there can be a sudden and severe abdominal pain, this patient can also appear unbearable stomach, sweating symptoms. There are many other reasons for sweating, such as hypoglycemia and hyperthyroidism. If the symptoms of sweating persist, the cause should be identified as soon as possible and a doctor should be asked to deal with it.