Background Recent studies indicate that informal caregivers provide support to family members who are undergoing haemodialysis although the amount and type of activities provided and the burden of this is not well‐known. Objectives To analyse the burden and support activities of informal caregivers caring for adults receiving haemodialysis. Methods A cross‐sectional study recruited 178 adult informal caregivers (family members or close friends) of patients who had been undergoing haemodialysis for more than three months.