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Objective: To evaluate the effect of art therapy on cancer patients' quality of life and physical and psychological symptoms. Methods: The databases PubMed, Embase, Web of Science, The Cochrane Library, Clinical Trial.gov, the China National Knowledge Infrastructure (CNKI), Wanfang and the Chinese Biomedical Literature Database (CBM) were searched from their inception up to 20 August 2019. Trials examining the effects of art therapy on physical and psychological symptoms and quality of life versus a control group were included. The methodological quality of the included randomised controlled trials was assessed using the risk of bias tool of Cochrane Handbook. Meanwhile, the Newcastle‐Ottawa Quality Assessment Scale (NOS) was used to evaluate the methodological quality of the non‐randomised studies. Results: Twelve studies involving 587 cancer patients were included. The results revealed that art therapy significantly reduced anxiety symptoms (standard mean difference [SMD] = −0.46, 95% confidence interval [CI] [−0.90, 0.02], p =.04), depression symptoms (SMD = −0.47, 95% CI [−0.72, 0.21], p <.01), and fatigue (SMD = −0.38, 95% CI [−0.68, −0.09], p =.01) in cancer patients. Art therapy also significantly improved the quality of life of cancer patients (SMD = 0.43, 95% CI [0.18, 0.68], p <.01). Conclusions: Art therapy had a positive effect on quality of life and symptoms in cancer patients and can be used as a complementary treatment for cancer patients. [ABSTRACT FROM AUTHOR]