Aims and Objectives: To investigate the factors influencing caregiver burden in families of hospitalised lung cancer patients.; Background: Even though cancer symptoms among hospitalised lung cancer patients are serious and negatively affect caregivers, few research regarding to the factors of caregiver burden in hospitalised lung cancer patient has been carried out.; Design: Cross-sectional, descriptive and correlational study.; Methods: A convenience sample of hospitalised lung cancer patients (n = 107) was recruited from