Giant esophagus, also known as cardia dystrophy, is caused by neuromuscular dysfunction of the esophageal cardia and causes corresponding clinical symptoms, and it is recommended to seek medical treatment in time to avoid affecting the quality of life. The cause of pancreatic achalasia is unknown, and may be related to infection, immunity and other factors. Due to neuromuscular dysfunction, the lower esophageal sphincter is not fully flaccid, causing food retention, and the long-term development can lead to esophageal dilatation due to decreased esophageal tone and slow peristalsis. Difficulty in swallowing, retrosternal pain, food reflux and other uncomfortable symptoms may be manifested. Long-term development of pancreatic achalasia can lead to esophagitis, esophageal cancer and other bad prognosis, and it is recommended to consult a doctor for professional treatment in time to avoid bad prognosis. In daily life, it is recommended to eat small meals and chew carefully.