高血压(EH)为我国的常见病和多发病,并为致残及致死的重要危险因素。我国于1959-1991年先后在全国进行大规模普查,发现EH的发病率稳步升高,由7.73%增至11.88%〔1〕。目前我国高血压患者正以每年新增300万人的速度发展〔2〕。伴随着高血压人群的增多,低血钾与高血压的关系逐渐受 Hypertension (EH) is a common and frequently-occurring disease in China and is an important risk factor for disability and death. China in 1959-1991 has conducted large-scale census in the country and found that the incidence of EH steadily increased from 7.73% to 11.88% 〔1〕. At present, hypertension patients in our country are growing at an annual rate of 3 million people [2]. With the increase of hypertensive population, the relationship between hypokalemia and hypertension is gradually affected