If there is weakness in the legs after anger, there are usually several factors. 1. The most common factor is a spasm caused by a transient lack of blood supply to the coronary arteries, which is very common in patients with a history of heart disease. The patient’s transient anger will lead to vascular spasm, vascular spasm will produce district ischemia, especially myocardial ischemia is particularly significant, at this time will be due to myocardial ischemia and lead to the symptoms of weakness around the body. 2, after the anger leg weakness is related to the cerebrovascular acute insufficiency of blood supply, anger will make transient vertebral basilar artery stenosis and internal carotid artery blood supply system stenosis. This is the time when the weakness of the body will occur due to inadequate cerebrovascular blood supply, often with leg and foot weakness is particularly significant. 3, in anger will also cause a transient ion balance disorder in the body, such as hypokalemia will also occur when the leg weakness.