We identified a 12 pyroptosis-associated gene signature for the prognosis of colorectal cancer, including CAS P3, CHMP2A, CHMP2B, CHMP3, CHMP4C, CHMP6, CHMP7, GSDME, HMGB1, IL1A, IRF2, and TP63. The gene discussed is IRF2; the disease is colorectal cancer.