Aims To review the characteristics and effectiveness of psychosocial interventions on quality of life of adult people with cancer and their family caregivers. Design A systematic review using PRISMA guidelines. Methods Seven databases were searched from 2009–2019 using key terms. Included studies were assessed using the Quality Assessment Tool for Quantitative Studies. Results 1909 studies were retrieved with 12 studies included, involving 3,390 patients/caregivers.