Provided herein are methods for treating or preventing ETS overexpressing Ewings sarcoma, comprising administering an effective amount of a TOR kinase inhibitor to a patient having ETS overexpressing Ewings sarcoma.本文提供治療或預防過度表現ETS之尤文氏肉瘤之方法,其包含向患有過度表現ETS之尤文氏肉瘤之患者投與有效量之TOR激酶抑制劑。