与之前的研究相比，现在的研究重点放在了教人们如何使用正确的清洁燃料以及

Compared with previous studies, the current study focused on teaching people how to use the right to use the correct fuel and clean the stove. <br>In order to verify the above point of view, there is research and design a questionnaire for the crowd wood burning stove usage and methods of use are summarized, and a lot of data collection, such as different cities, PM content under different air humidity, and different the incidence of age groups, comparison and correlation analysis to determine the impact of wood burning emissions on human diseases.

Compared with previous studies, the current focus is on teaching people how to use the right clean fuel and the proper use of the stove. In order to verify the above point of view, a questionnaire was designed to summarize the utilization rate and use methods of wood burners in the population, and a large amount of data collection, such as PM content in different cities, under different air humidity, and incidence of different age groups, compared and correlation analysis. to determine the impact of wood-burning gas emissions on human disease.

Compared with the previous research, the current research focuses on teaching people how to use the correct clean fuel and the correct use of furnace.<br>In order to verify the above point of view, a questionnaire was designed to summarize the utilization rate and use method of wood combustion furnace in the population, and a large number of data were collected, such as PM content in different cities, different air humidity, and the incidence of different age groups, for comparison and correlation analysis, in order to judge the human disease caused by wood combustion gas emissions. Influence.<br>