After eating crabs, the manifestation of chest pain, not except eating too fast, too much, resulting in esophageal mucosal damage. In addition, for middle-aged and elderly patients, eating too much meat food, protein food, is also easy to affect the digestive function, intestinal peristalsis slows down, the patient will be manifested as post-sternal discomfort, and even have obvious nausea, belching and other symptoms. Foods like crabs cannot be eaten too much because they are not easy to digest. In addition, if there is a pre-existing underlying disease, such as esophagitis or esophageal ulcer, after eating, it will also be manifested as pain behind the sternum, obvious burning sensation, and usually there will be acid reflux, belching. Elderly patients are also prone to recurrent pneumonia, which is associated with gastroesophageal reflux. In daily life should pay attention to small meals, reasonable diet, not overeating, after eating can be appropriate activities, can also promote the emptying of food.