On June 5^th, staff from Zhejiang disease control and prevention system were carrying out epidemic prevention work at Yaodu Town, Qingchuan County, Guangyuan. Yaodu Town of Qingchuan County is a remote place at the juncture of three provinces and it is sparsely populated. Thus, the sanitation and epidemic prevention work is quite difficult to be carried out there. However, the workers has pulled it through and they often walked more than 20 kilometers to provide door-to-door service of epidemic prevention and disinfection for the villagers and also taught them to pay attention to daily hygiene.