Directed at the characters of mining map, such as many species, changeble content, strong repetition, the paper introduces the research into the bottom mechanism of AutoCAD, and an attempt to build the computer drawing model of mining map picture element by using the computer program language Visual Basic.

According to characteristics of mining plan element and combining the function of AutoCAD Macro to be great to toolbar,the principle of AutoCAD Macro to be great to toolbar is introduced.

In order to impose the application and popularization of small satellite data in the monitoring of geological disasters,this paper,with monitoring changes in mining plans as the target,using two 4m panchromatic images of Beijing-1 in Beijing area in 2006 and 2007,studied the change information through geometry correction,registration,superposition and contrasted.