Taiwan’s healthcare institutions are increasingly being challenged under the various reforms undertaken by the National Health Insurance System in recent years. Aims to sustainable development is already considered as a major task for sustainable healthcare institutions, hence, identifying the indicators used in evaluation of the improvements towards sustainable healthcare is crucial in ensuring a better quality of life and well-being for Taiwan people. This research data were collected using the causal relationships among nineteen criteria and examined by decision-making trial and evaluation laboratory method. The method with an expert’s interview provides a clear and transparent approach to analyze the cause and effect findings within criteria. Findings show that the critical factor; corporate governance is a very important part of the business strategy and factor of clinical performance is in particular one of the key criteria for sustainable healthcare institutions. Results also indicated that employ a suitable co-payment system should comply with the medical triage system for therapy, which may increase the effective utilization of medical resources. These results identified specific social factors related to the developed indicators that managers should consider the diversification of sustainable management. The identification of these factors can contribute to more integrative social analyses to improve a better quality of life.