Nurse aids assist the elderly to dress for a long time, they always get work-related musculoskeletal disorders (WMSDs) owing to inappropriate application of force. The purpose of this study is to design a new elderly clothing to reduce the cumulative damage of nurse aids from assisting the elderly dressing effectively. We designed two new elderly clothes with two different methods, one is Morphological Analysis (design A) and the other is Co-design (design B). Design A uses Velcro to join fabric to reduce the time nurse aids spend on finding cords. Design B is a one-piece cloth which wear from front in order to reduce unnecessary rotate of joint. Results showed that design B spend the least time. The shortage of design A is it will take time to separate Velcro when they stick together. Design B should care more about elderly’s perception, sense of security and exposure, especially for the heavy elderly.