Abstract: Objective To know about the status and influencing factors of pulse pressure among healthy adults in Yunnan Province. Methods The 8 300 samples were selected by cluster, stratified and random sampling. Data were collected by questionnaire survey. Using EpiData3.0 to establish database, and inputting valid data 2 times. Pulse pressure over 50 mmHg was categorized as increased pulse pressure. The SPSS 17.0 software is used to process and analyze data. Results The pulse pressure increased rate of healthy adults was 36.2% in Yunnan Province.Univariate analysis showed that these factors to pulse pressure have influence as follows: gender, age, smoking, drinking, regular physical examination, physical exercise, sleep quality, nap habits and BMI (P<0.05～0.01); Non-conditional Logistic Regression Analysis showed that smoking (OR=1.84, 95%CI: 0.39~2.17), over 65 years old (OR=1.01, 95%CI: 0.31~1.86 ) were the risk factors for increased pulse pressure of adults. Conclusion The pulse pressure increased rate of healthy adults was relatively high. The main influencing factors was the daily life habit.