Patients with hypotension may experience dizziness, headache, dizziness, loss of appetite, fatigue, pallor, and poor digestion in mild cases, or vertigo, cold extremities, sweating, palpitations, and cerebral and coronary underperfusion in severe cases. Patients with constitutional hypotension, most often seen in women between 20 and 50 years of age and in the elderly, may experience fatigue, dizziness, headaches, and even fainting, especially in the summer months. Orthostatic hypotension can be associated with weakness, nausea, and even blurred consciousness, loss of vision, and syncope, but of course, these symptoms are transient and should be associated with a sudden change in position, especially when the patient is suddenly in a standing position. Secondary hypotension can occur, accompanied by symptoms of other diseases, as well as the appearance of hypotension. There is another group of people, pay attention to urinary hypotension, will appear sudden fainting phenomenon, mostly occurs in 20-30 years old men, occasionally seen in the elderly, mostly in the wake up after sleep to urinate when a transient disorder of consciousness, cold weather or after drinking alcohol easily induced, the patient has confusion, in most cases in 2-3 minutes, will gradually recover. Medication hypotension may also cause hypotension, especially with drugs such as central depressants and diuretic drugs and vasodilator drugs. Patients with hypotensive changes should first determine the cause of the hypotension, and remove the cause, treat the symptoms, restore the patient’s normal blood pressure in a timely manner, and ensure the perfusion of the patient’s vital organs.