It is widely acknowledged that autophagy plays a role in immunity, and autophagy has lately been involved in cancer immunotherapy.[50] Since cancer cells can evade immune detection by inhibiting autophagy, autophagy boosters may improve the efficacy of cancer immunotherapy.[51] In this study, we observed a positive correlation between SAT1 and PD1 as well as PD‐L1, which hinted that TNBC patients with high SAT1 expression may respond better to immunotherapy. This evidence concerns the gene SAT1 and cancer.