Wuyang Mine, Shanxi Lu’an Environmental Protection Energy Development Corporation Ltd. used large aperture drilling hole as feeding well underground passageway system instead of traditional driving way of return air roadway, avoiding difficult construction and safe hidden trouble in mining return air passageway, return air drilling construction methods and construction machines were expounded in detail, after checking calculation and field measurement results showed ventilation could meet the demand of feeding wells of return air drilling, which proposed a new return air case for mine feeding wells and cavern.