Oxiranes are a class of oxygen-containing three-membered cyclic compounds.Due to their distinctive structure and unique properties, they can undergo a variety of cycloaddition reactions with compounds bearing diverse unsaturated bonds.The recent advances in the cycloaddition of oxiranes with this kind of compounds over the past decade, including [3+2], [3+ 3] and [4+3] are summarized.Moreover, the prospects of future development are also discussed.