Asphalt modifier is made by adding natural or organic artificial materials or inorganic material into the asphalt or mixed asphalt. When they fully fused or scatter in the asphalt, it can improve its capability for building the road. With the rapid development of the economy, more and more asphalts are used in road , stadium, square and pedestrian street. To adapt this tendency, our company has develop a new kind of environmental friendly oil for asphalt. This kind of oil is high temperature resistant and cold resistant with highly compatible with asphalt. Compared with the traditional asphalt, there are obvious improvements in its high temperature resistance, tensile elasticity, intermiscibility and aging resistance. This product can be the concoction component of petroleum asphalt and the softener of SBS modified asphalt.