OBJECTIVE：To explore the willingness-to-pay and influential factors of citizens for angina pectoris treatment. METHODS： Close-ended questionnaire and open-ended questionnaire that are the two question types of contingent valuation method was adopted to interview the citizens in Guiyang city by face to face and one to one， and the result was analyzed. RESULUTS： Totally 351 questionnaires were sent out and 351 were valid with effective rate of 100％. The average age was 40.72 years old （SD＝16.86） with 51.28％ （108 pearsons） males. And willingness-to-pay price of 67.24％ （708 pearsons or times） was higher than initial setting price； an average of 457.44 yuan per month was given to the treatment with 98％ effectiveness （the  initial setting price was 200 yuan per month）； and an average of 28.41 yuan per month was given to the treatment with 10％ effectiveness （the initial setting price was 20 yuan per month）. The better the effectiveness， the larger the willingness-to-pay value was given， a woman， belonging to the minority group， aged 45 and above， college educational level and above， or never do physical exercise gave the larger willingness-to-pay values； moreover， the larger willingness-to-pay values were given when the severity of original hypothesis health state was severe， or the questions were displayed with the high effectiveness of treatment followed the low effectiveness. CONCLUSIONS：The effectiveness of treatment， the order of willingness-to-pay questions， the original hypothesis of health state， the characteristics and habits of patients are the factors affecting the willingness-to-pay of patients. Contingent valuation method is an effective way to investigate the willingness-to-pay values.