Hypertension currently has the following causes: 1, genetics, it is currently believed that genetics is the determining factor of hypertension in adults. 2, overweight, research has shown that there is a significant relationship between hypertension and obesity, obese patients for every 10kg weight loss, can make the systolic blood pressure drop 5-20mmHg. 3, diet, excessive sodium intake can make blood pressure rise. 4, smoking, smoking is a recognized cardiovascular disease 5, alcohol, alcohol is a factor associated with increased blood pressure. 6, birth control pills women taking birth control pills can make blood pressure significantly higher, but often after stopping the pill blood pressure can drop to normal. 7, ethnicity, in China Tibetans have higher blood pressure, in the international Japanese have higher blood pressure. 8, social factors, life tension, poor labor environment plays an important role in hypertension.