Abstract:Many datas show that thrombosis related events during chemotherapy in patients with cancer increase obviously. Thromboprophylaxis in patients receivingchemotherapyhasbeen shown to not only improve the hypercoagulable states andeffectively prevent thrombosis, but also have the potential antitumor effect and prolong the patient’sover survival.

Key words:font-family: "Times New Roman",mso-ansi-language: EN-US,mso-fareast-language: ZH-CN,mso-bidi-language: AR-SA,mso-fareast-font-family: 宋体">Nfont-family: "Times New Roman",mso-ansi-language: EN-US,mso-fareast-language: ZH-CN,mso-bidi-language: AR-SA,mso-fareast-font-family: 宋体">eoplasms,Thrombosis,Drug therapy