The negative impact of air pollution on human health has been confirmed，but there is still controversy about the impact of air pollution on the outcome of assisted reproductive technology（ART）. This paper intends to discuss the effect ，mechanism and existing problems of air pollution on ART pregnancy based on relevant studies at home and abroad，so as to provide assisted pregnancy guidance for couples of childbearing age， improve the probability of conception，and reduce the incidence of adverse effects caused by air pollution.