1996年我们对临沂市兰山区、沂南县、平邑县5个乡20个村，对35岁以上1．4万人口进行了高血压、脑卒中、冠心病三种疾病的普查工作。并对三种疾病及其主要危险因素进行了分析，现将结果报告如下。1材料与方法1．1调查对象在3县5乡的20个村，按总户数的30％分东、西、南、北、中 In 1996, we surveyed 14,000 people aged 35 years and above in 20 villages in five townships of Lanshan District, Funan County and Pingyi County in Linyi City and conducted a survey of three diseases: hypertension, stroke, and coronary heart disease. The three diseases and their major risk factors were analyzed. The results are reported below. 1Materials and methods 1.1 The survey targets 20 villages in 3 counties and 5 townships, according to 30% of the total number of households in East, West, South, North and China.