Patients with chest tightness plus dyspnea and dizziness are mainly considered for the following reasons: 1. To be considered as caused by cardiovascular and cerebrovascular diseases, for example, because of extensive cerebral atherosclerosis and arteriosclerosis of the large blood vessels of the heart later, which can lead to insufficient blood supply to the heart and brain. Patients are prone to dizziness and chest tightness, coupled with difficulty in breathing and wheezing, when they are under labor or emotional agitation. 2, chest tightness coupled with difficulty in breathing and dizziness are also related to these diseases of hypertension and hypotension in patients. Patients with problems such as cervical spondylosis and neurological weakness may also experience symptoms of chest tightness, dizziness, and dyspnea. There are also anemia diseases that are more likely to cause patients to have these problems of dizziness and chest tightness.