The specific engineering geological conditions and surrounding rock characteristics of the GugeKingdom ruins in Tibet are analyzed. The patterns of deformation and failure of caverns which were constructed in the ruins slope are classified into five major categories including eleven types. Four major categories including nine types of mechanism causing to the deformation and failure of caverns are further put forward. Finally, the integrated strengthening countermeasures are put forward in terms of cavern and dangerous rock mass strengthening and treatment and environmental improvement.