Standing for a long time chest tightness, shortness of breath, dizziness, may be caused by hypoglycemia, postural hypotension, ischemic cerebral vasospasm, etc., should be given according to the specific cause of the general treatment, drug therapy or surgical treatment. (1) Hypoglycemia: oral or intravenous glucose should be given according to the condition in the acute stage; in the stable stage, the cause of hypoglycemia should be actively looked for and treated according to the cause, e.g., if caused by diabetes mellitus, glucose-lowering drugs should be adjusted according to the doctor’s prescription; if caused by insulinoma, it can be surgically resected. (2) Postural hypotension: include general treatment and drug treatment. General treatment, such as avoiding standing for a long time, slow movement when the position changes, and drinking saline water appropriately; after clinical care, the life of the patient is still seriously interfered with, and medication such as Midodrine can be used as prescribed by the doctor in order to increase peripheral resistance and promote blood reflux, but it is used with caution in people with congestive heart failure and chronic renal failure. (3) Ischemic cerebral vasospasm: according to the specific conditions, follow the doctor’s instructions to use Fasudil and other drugs to expand blood vessels, Ginkgo biloba preparation and other drugs to improve microcirculation, and if necessary, give aspirin and other prevention of ischemic cerebral infarction. The use of drugs to pay attention to drowsiness, bleeding and other side effects. Specific medication should follow the doctor’s prescription. There are many other reasons for chest tightness, shortness of breath and dizziness when standing for a long time, so it is recommended to consult a doctor in time, improve the relevant examinations with the help of a doctor, clarify the cause of the disease and standardize the treatment, so as not to cause serious complications.