IntroductionPatients with cancer often suffer from considerable distress. Life review is a process of recalling, evaluating and integrating life experiences to alleviate a sense of despair and achieve self-integrity. Empirical data have supported the fact that life review is an effective psychological intervention, but it is not always accessible to patients with cancer. There is little evidence of internet-based life review programmes tailored to patients with cancer. This study aims to develop a WeChat-based life review programme and evaluate its effectiveness on the psycho-spiritual well-being of patients with cancer undergoing chemotherapy.Methods and analysisA single-centre randomised parallel group superiority design will be used. Patients with cancer will be randomised, to either a control group, or to an experimental group receiving a 6-week WeChat-based life review programme. The programme, which was mainly developed based on Erikson’s psycho-social development theory and Reed’s self-transcendence theory, provides synchronous and asynchronous communication modes for patients to review their life. The former is real-time communication, providing an e-life review interview guided by a facilitator online. The latter is not simultaneously dialogic and is used to interact with patients before and after a life review interview through Memory Prompts, Review Extraction, Mind Space and E-legacy products. The primary outcomes include anxiety, depression and self-transcendence, and the secondary outcomes are meaning in life and hope. These will be measured at baseline, and immediately, at 3 months, and at 6 months after the programme’s conclusion.Ethics and disseminationEthics approval has been obtained from the Biological and Medical Research Ethics Committee of the corresponding author’s university (IRB Ref No: 2016/00020). The trial results will be published in a peer-reviewed journal and presented at national and international conferences.Trial registration numberChiCTR-IOR-17011998.