Objective In this thesis the changes of blood pressure data of 128 patients with primary hypertensive patients with rain weather on the links between the two analysis explore the impact of rainy weather on blood pressure. Methods In three different time continuously measured blood pressure changes in patients with rainy day after rainy day,before rainy day. Then the obtained data were statistically analyzed with SPSS18. Resulls In three survey day, when the weather rain, the number of blood pressure in patients indicates a moderate rise than before and after the rain. Conclusion Blood-pressure...