Monitoring methods are the important content in informational construction,which play an important part in reinforcement design and slope stability evaluation.Based on the monitoring information of the course of 211 km in Gan-Yue freeway,including surface movement,borehole inclination and water table,surface movement,borehole inclination the article analyses the trends of the reinforced slope then evaluates the slope current stability,and raises some reasonable suggestions about reinforcement and drainage structure.