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Residents' payment is an important supplement to the government's urban haze control costs. In this paper, Zhengzhou City and Jiaozuo City of Henan Province were taken as research objects. Through research methods such as data mining, questionnaire survey and model construction, the residents' cognition on haze control, willingness to pay and its influencing factors were deeply studied. Main research results were as below; residents in Zhengzhou and Jiaozuo have improved their awareness and satisfaction with haze control, but the growth rate was slow. In 2014, 2018 and 2021, the expected values of willingness to pay for haze control in Zhengzhou were 79.94, 85. 52 and 47.20 yuan/month respectively, while they were 62. 17, 57.77 and 46. 96 yuan/month in Jiaozuo City. Residents' haze awareness had the most significant effect on the willingness to pay for haze control, and there was positive correlation (P <0.05). Residents' cognition of haze control was the most important factor affecting their willingness to pay for haze control. Residents' income level and air pollution level had a positive effect on residents' willingness to pay, while residents' confidence in the government had a weak impact on their willingness to pay. [ABSTRACT FROM AUTHOR]