The prevalence of hypertension in China is increasing year by year, with more than 270 million people suffering from hypertension, including one in five adults with hypertension, and the age of onset tends to be younger. Hypertension has damage to blood vessels, heart, kidneys, brain and other parts of the body, and the annual death due to hypertension occupies the first place of all diseases. Therefore, it is important to raise awareness of the disease on a daily basis. I. The dangers of hypertension Hypertension can be manifested by headache, dizziness, palpitations, shortness of breath, insomnia and numbness of the limbs in the early stages, and can lead to complications in different target organs in the middle and late stages. If hypertension damages the heart, it can cause complications such as atherosclerosis, coronary heart disease and myocardial infarction; if hypertension damages the brain, it can cause brain hemorrhage and cerebral infarction; if hypertension damages the kidney, it can cause renal arteriosclerosis, renal insufficiency, renal failure and uremia; if it damages the eye, it can cause fundus arteriosclerosis, macular degeneration and fundus hemorrhage. In fact, hypertension is not terrible, what is terrible is poor blood pressure control, resulting in long-term hypertension causing the above-mentioned serious complications. In addition, special attention should be paid when hypertensive emergencies occur to avoid aggravating target organ damage. How to deal with hypertensive emergencies Once a hypertensive emergency occurs, it should be immediately sent to the emergency rescue room or intensive care unit, with continuous monitoring of blood pressure, and the first time to apply suitable antihypertensive drugs to lower blood pressure. Secondly, effective sedative drugs can be used as appropriate to eliminate the patient’s fear and to treat the target organ damage that has occurred. How to prevent hypertensive emergencies In order to prevent hypertensive emergencies, the following measures should be taken on a daily basis: 1. maintain a reasonable weight, avoid overweight and obesity; 2. quit smoking and limit alcohol; 3. insist on moderate physical activity; 4. arrange meals reasonably; 5. carry out antihypertensive treatment as prescribed by the doctor; 6. follow up and review regularly.