The feeling of something pushing against the middle of the chest may be caused by physiological factors, lung diseases and heart disease. 1. Physiological factors: it may be caused by the patient staying in a closed environment for a long time or being in a state of mental tension or depression for a long period of time, which triggers the functional chest tightness. 2. Lung disease: the more common is emphysema patients, especially in alveolar patients more common. Spontaneous rupture of alveoli can lead to spontaneous pneumothorax when the patient exercises strenuously. A large amount of gas in the chest cavity will compress the lung tissue, and there is gas in the middle of the chest cavity to fight the pain, it will show the symptom of something in the middle of the chest. 3. Heart disease: If the patient’s heart is diseased, such as coronary artery atherosclerosis, it may lead to symptoms of insufficient blood supply to the heart, which will show the symptom of feeling something in the middle of the chest. There is something in the middle of the chest, there may be esophageal disease, it is recommended that patients go to the hospital in a timely manner, to clarify the cause of the disease, and targeted treatment.