Grade 3 hypertension is the highest grade of hypertension in hypertension. Treatment methods are as follows: 1, life: first of all, lifestyle interventions, such as quitting smoking and limiting alcohol, low salt diet, etc.; 2, treatment: individualized treatment. The first choice of antihypertensive drugs is to start with a small dose, if you can control with one antihypertensive drug without adding a second one. Some patients need to use more than 3 weeks to observe the effect of small doses of antihypertensive drugs; 3. Preferably long-acting antihypertensive drugs: try to 1 time / day to avoid fluctuations in blood pressure; 4. If the above scheme is not effective in lowering blood pressure, it is necessary to combine antihypertensive. At present, the main antihypertensive drugs are the following categories: beta-blockers, calcium antagonists, converting enzyme inhibitors including vascular receptor antagonists. If an antihypertensive drug does not work, then a combination of antihypertensive drugs can offset some of the side effects of the drugs, while a small dose can achieve synergistic effects and antihypertensive purposes. The main thing is individualized treatment of hypertension.