During the development of tunnel drivage of many domestic gold mine such as Jiaojia Gold Mine in Shandong Province, encountered a lot of unstable rock mass, The rock mass is mainly disruption and alteration granite, Rock s structure growth and many crevasse surface, and rugged coefficient is f=4～5, It belongs to IV kide unstable wall rock.

Based on analysis of a reconstruction project of parking lot at blind shaft,working scheme of laneway driving and supporting in unstable terrane is put forward.