Sleep disturbance is considered a prominent problem in cancer patients with a detrimental effect on health outcomes,which accompanies a decline in reduces the quality of life,functional status,and even accelerates progressive of cancer.Therefore,in order to develop new ways to improve the sleeping situations and the quality of life in cancer patients,it is necessary to understand the status of sleep quality in cancer patients and seek more measures of sleep quality evaluation from different cultural backgrounds.This review summarized the common methods used to improve sleep quality and relieve the pain of cancer patients.In addition,the status of sleep disturbance in patients with cancer is described.