The main consideration is chronic strain injury of the soft tissues in the back of the shoulder, while heart disease, duodenal ulcer, pancreatitis and other diseases may not be excluded. If you often work with your head bent down, accompanied by neck and shoulder muscle pain and discomfort, you should consider the possibility of local muscle chronic strain injury. If the sudden appearance of back congestion discomfort, accompanied by panic, precordial pain and discomfort, the first consideration is coronary heart disease, myocardial ischemia and other possible, you need to promptly consult a doctor to improve the electrocardiogram and other related tests to avoid delaying the disease. If you have previous digestive symptoms such as abdominal pain, acidity, heartburn, etc., consider the possibility of discomfort caused by gastroduodenal ulcers, especially posterior duodenal bulb ulcers. Regardless of the cause of back stuffiness and discomfort, you should pay more attention to it, pay attention to your usual work and rest and visit the hospital in time to avoid taking drugs on your own to avoid delaying or covering up the condition.