Yunnan is one of the provinces with the most serious landfall-landside disasters in China. There are 5

000 landslides in this area

200 ones of them are disastrous. In general

they are in middle or small scales and few landslide bodies are over 1 million m3. Most of the landslides are revival ancient landslides

but few are new-bron and in an active term. They are tending to increase year by year. The preventive measures are: to research the evolution laws of landslide

to stress forecast and prediction

to organize evacuation and dispersion

to build forest and dredge the waterways

to control the typical landfall-landslides in a comprehensive way

and to get effects and extend the experiences.