Entering the 21st century, the progress on cancer treatment is obvious to people. The future development is much anticipating, including chemotherapy, target therapy, hormone therapy and immune therapy. Many clinical trials and translational medicine studies on new drugs are ongoing. With the progress on medicine, there is a better chance of cure on cancer or effective control. How to reach a compromise between treatment effectiveness and side effects during the treatment is a common issue for doctors and patients to deal with. Among the side effects particularly caused by the cumulative treatment, such as neural , blood and cardiac toxicities , the cardiac toxicity may cause severe complications and even death if neglectfully and delayedly treated, though it has a low occurrence rate. This article offers a review of mechanism of the cardiac toxicities of presently used chemotherapy drugs, clinical symptoms, and treatment protocol. It also provides nurses a reference to ensure the safety of patients during nursing.