The geographical position of Taiwan is in the earthquake and take place in the frequent position, the understanding to the earthquake is essential, take place 921 heavy earthquake, make a lot of people to earthquake the natural calamity curiosity further especially. The time taking place in earthquake is often only short several minutes, but the consequence produced is really very difficult to assess. The road is a very important tool to modern transportation, especially after the earthquake calamity takes placing, the road sends the role of rescuing the goods and materials and transporting injured personnel etc. Dr.eye: acting at once, can understand to the earthquake calamity further if can set up between them relatedly. Research this decrease on 921 earthquake road calamity materials is it collect and is it set up preliminary earthquake calamity is it estimate and set up relevant database not to is it relieve oneself materials datumization to expect to decrease exactly to gather together to make Research to the scholar later on.