Provided herein are methods for treating or preventing triple negative breast cancer or hormone receptor positive breast cancer, comprising administering an effective amount of a TOR kinase inhibitor to a patient having triple negative breast cancer or hormone receptor positive breast cancer.本文提供治療或預防三陰性乳癌或激素受體陽性乳癌之方法,其包含向患有三陰性乳癌或激素受體陽性乳癌之患者投與有效量之TOR激酶抑制劑。