In view of the pain points encountered in the trial implementation of respite care under the traditional form in China, the paper proposes a design strategy to strengthen the sharing characteristic, aiming to make respite care play a greater role in the home care of disabled elderly. Based on the analysis of the mainstream shared service application software in the domestic market, using service design tools such as user experience maps and service blueprints, this paper sorts out the service process from the perspective of shared service mode factors and composition, and optimizes the specific content of respite care by finding the key touch points of user experience. A respite care application software prototype for home care in China is designed, including five main functional modules:resource display, supply and demand matching, evaluation and certification, user social, marketing and publicity. The new scheme based on the shared service mode has more significant sharing advantages than the traditional form of respite care aboard. And the targeted optimization on user needs and experiences improves the availability and feasibility of the promotion and development of respite care in China.