Currently, the aging of the population has become the world’s social problem. With the increase of aging population and lots of disability, paralysis makes nursing care more difficult. Because of many elderly cannot get timely care, the phenomenon that the elderly have chronic diseases has become more and more serious. It is important to research and develop a new product which can help the elderly and the disabled for improving the quality of their life. This paper suggests a new type of multifunctional self-caring wheelchair-bed, which is combined with a wheelchair and a bed. The bed can realize the free conversion among user sitting, leg lifting and lying down, and also can implement the function of turning on sides. Particularly, the wheelchair can be easily separated from the bed and combined, so that patients and the elderly can move freely using it, and even it can be transformed into a standing type to satisfy the patient’s standing demand, and to a certain extent, carry out the purpose of rehabilitation. Currently the aging of the population has become the world’s social problem. With the increase of aging population and lots of disability, paralysis makes nursing care more difficult. The of that many that can not get timely care, the phenomenon that the elderly have chronic diseases has it is important to research and develop a new product which can help the elderly and the disabled for improving the quality of their life. This paper suggests a new type of multifunctional self-caring wheelchair-bed, which is combined with a wheelchair and a bed. The bed can realize the free conversion among user sitting, leg lifting and lying down, and can also implement the function of turning on the sides. Particularly, the wheelchair can be easily separated from the bed and combined, so that patients and the elderly can move freely using it, and even it can be transformed into a standing type to satisfy the patient’s standing demand, and to a certain extent, carry out th e purpose of rehabilitation.