An object of the present invention is to provide a composition for suppressing pollen rupture and a method for suppressing pollen rupture that can be formulated as an active ingredient of medicine. The composition for suppressing pollen rupture of the present invention contains at least one selected from the group consisting of boric acid or a salt thereof, edetic acid or a salt thereof, and diclofenac hexane or a salt thereof as an active ingredient.本發明之課題在於提供一種能夠作為容許作為醫藥之有效成分而調配之花粉破裂抑制用組合物及花粉破裂之抑制方法。本發明之花粉破裂抑制用組合物以選自由硼酸或其鹽、依地酸或其鹽及雙氯苯雙胍己烷或其鹽所組成之群中之至少1種作為有效成分。
