Low blood pressure is divided into physiological and pathological, physiological can follow the doctor’s advice to adjust the diet, pathological hypotension need to drip dopamine, dobutamine and other drugs, or blood transfusion to increase blood volume. Causes of hypotension include physiologic hypotension, acute left heart failure, acute infarction, overdose of antihypertensive drugs, and excessive blood loss due to trauma. 1. Physiological hypotension: It is recommended that patients adjust their dietary structure, and they can eat foods rich in protein, folic acid, vitamin B12, vitamin C, etc., and keep a good mood. 2. Low blood pressure due to acute infarction or heart failure, go to the hospital in time, and follow the doctor’s instructions, such as dopamine, dobutamine and other drugs to raise blood pressure. 3. Due to traumatic blood loss, we should immediately carry out rescue, pressure bandage wounds, intravenous blood transfusion, improve the patient’s blood volume. It is recommended to actively consult a doctor for examination and treatment as prescribed by the doctor.