The invention discloses a breeding method for orange Romanesco Broccoli hybridization seeds. An orange Romanesco DH line obtained through microspore culture or through traditional breeding selling homozygosis or a selfing pure line is adopted as a male parent, a common Romanesco Broccoli ogura cytoplasmic male sterile line obtained through multi-generation backcross transformation is adopted as afemale parent, and the new species of the first-filial generation of the orange Romanesco Broccoli is obtained through the hybridization way. The orange Romanesco Broccoli obtained through the methodis prepared from the ogura cytoplasmic male sterile line, the recurrent parent is self-compatible, honeybee pollination can be performed to perform coeno-species and sterile line propagation, and theseed manufacturing cost is greatly lowered.