Objective To evaluate the effect of a comprehensive rehabilitation programme on closure of the rectus diastasis (RD) and quality of life in women after delivery. Design A randomised controlled trial with blinded assessment. Setting A tertiary hospital and participants’ homes in Foshan, China. Subjects Sixty-six women with RD 2 to 6 months after delivery were recruited into this study (study group n=33, control group n=33). The mean age of participants was 29.9 [standard deviation (SD) 4.3] years.