According to the Outline of National Medium and Long Term Language Reform and Development Programme, by 2020, the national universal language will be basically popularized in the whole society. There are many difficulties in achieving this goal, and the biggest one is the popularization in the vast rural areas and ethnic areas. With tight schedules and heavy tasks, it is necessary to change the ideas, innovate the systems and mechanisms, build up the platforms actively, strive to find carriers, integrate the two forces, and complete the "last mile" of popularizing mandarin. Under the background of the poverty alleviation, there is a need to follow the trend to promote the national language work jointly with tourism poverty alleviation, taking "rural tourism" as a carrier and using "mandarin volunteer service" as a means in rural areas and ethnic areas, to directly connect with the demonstration village, implement accurate assistance for the farmers, and form a "win-win" pattern in tourism poverty alleviation and popularization of mandarin.