For example, Parkinson’s, acute infarction, especially acute infarction, sudden occlusion of the coronary artery branches, will cause a sudden decrease in blood pressure, this situation patients should stabilize emotions, lying down to rest, timely call 120, to the professional hospital for examination and confirmation of treatment. 3, postural hypotension caused by, for example, insufficient blood volume, dehydration, for this situation should be given timely rehydration treatment; due to the taking of vasodilator drugs, nitrate If the patient takes such drugs repeatedly, it is recommended to stop or switch to other drugs. 4, in daily life, hypertensive patients should pay attention to slow movements when changing position, diet is not easy to be too full, quit smoking and alcohol; there is also a sudden increase in intrathoracic pressure when coughing hard, can also cause postural hypotension, so hypertensive patients Therefore, patients with hypertension should pay attention to keeping warm, exercising properly and preventing respiratory diseases so as to reduce the causes of coughing.