Palpitations, headache and weakness are mainly seen in the following cases: first, patients with hypertension, this kind of patients usually have high blood pressure, usually do not take regular medication, blood pressure control is not good, if caused by insufficient blood supply to the heart and brain and other important organs on such symptoms, treatment must be to take medication to control blood pressure. Second, heart failure patients, this patient due to the decline in the function of the heart, the heart to the aorta to reduce the amount of blood, causing the whole body, including the heart and brain organs blood supply, oxygen supply is insufficient, the patient can also appear palpitations, headache, weakness symptoms. Third, patients with anxiety disorders, such patients tend to be more nervous, anxious, sleep deprivation, mental stress is relatively high, routine heart and brain examination are normal, encourage patients to regular rest, regular exercise can help improve such symptoms. Fourth, pay attention to cerebrovascular diseases, such as cerebral infarction.