Wicked eating cold things refers to wicked eating cold food, after eating, then abdominal pain, diarrhea, there is also a habitual cause of the stomach and intestines, its own sweat food digestion is not good, etc. Relationships, you should pay attention to see whether there is diarrhea and fever. This indicates that the body is allergic to cold, suggesting the presence of gastrointestinal dysfunction. What are the examination methods? 1.Gastroscopy Gastroscopy can directly observe the real situation of the examined area, and can further clarify the diagnosis through pathological biopsy and cytological examination of the suspected lesion area, which is the first choice of examination method for upper gastrointestinal tract lesions. 2.Endoscopy Endoscopy is the principle of physical imaging, will be equipped with a light tube through the oral cavity into the stomach or through other natural orifices into the body, inspection or treatment of disease. 3.Computerized tomography CT examination CT is a full-featured disease detection instruments, it is the electronic computer X-ray tomography technology referred to as CT examination is based on the different tissues of the human body on the X-ray absorption and transmission rate of different, the application of highly sensitive instruments on the human body to carry out measurements, and then the measurement of the data obtained by the input of electronic computers, electronic computers to process the data, you can After the electronic computer processes the data, it can take down the cross-section or three-dimensional image of the part of the human body to be examined, and discover the small lesions in any part of the body. Upper gastrointestinal X-ray barium meal Upper gastrointestinal X-ray barium meal examination is one of the main means of diagnosing upper gastrointestinal diseases, and fiberoptic gastroscopy to play a complementary role. Depending on the situation, X-ray, endoscopy, gastric fluid analysis and fecal tests should be taken, and ultrasound and CT should be performed when necessary to exclude lesions in the liver, gallbladder, pancreas and other abdominal organs. X-ray examination of the gastrointestinal tract shows accelerated movement of the entire gastrointestinal tract, deepening of the colonic pouch, increased tension, and sometimes, due to colonic spasm, linear shadows below the descending colon, and there is no obvious abnormality of the colonic mucosa in colonoscopy.