With the rapid development of China’s highway industry in recent years and the demand of some construction industries

the use of asphalt has been increasing. However

asphalt can not be directly used in engineering because of its flowability at high temperature and easy embrittlement at low temperature. The modification of asphalt by adding different substances is a major focus of current research. According to the different modified substances added

this paper introduces the development status of several mainstream modified asphalt

including doped rubber modification

doped SBS modification

nano particle modification and composite modification

discusses various modification mechanisms

summarizes their advantages and disadvantages

and prospects the research direction of low temperature resistant and waterproof modified asphalt in the future.