This book contains the papers of the 7th International Workshop on Medical and Service Robots (MESROB) that was planned to be held in Basel, Switzerland, in July 2020. Since the conference could not be held due to the worldwide Corona pandemic, the proceedings are published in this book and presentation of the accepted papers will be postponed to next year's conference (MESROB 2021). The main topics of the workshop include: design of medical devices, kinematics and dynamics for medical robotics, exoskeletons and prostheses, anthropomorphic hands, therapeutic robots and rehabilitation, cognitive robots, humanoid and service robots, assistive robots and elderly assistance, surgical robots, human-robot interfaces, haptic devices, medical treatments, medical lasers, and surgical planning and navigation. The contributions, which were selected by means of a rigorous international peer-review process, highlight numerous exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different specialists, demonstrating that medical and service robotics will drive the technological and societal change in the coming decades.