According to landslide environment,landslide of permafrost region will be divided into landslide of freezing soil and thawing soil,thaw slumping is representative thawing soil landslide.

• 青藏高原多年冻土区斜坡失稳是伴随着青藏公路建设和运营过程中出现的一种灾害性的地质现象,其中以热融滑塌最为显著。