The healthcare spending has been increasing due to a growing population.In response to the rising cost, the government and hospital are to increase efficiency.Efficient allocation of healthcare system involves planning and coordinating several resources. One of the most expensive and highly specialized is considering the emergency care, which is critically important to the seriously ill and injured patients. Lean, which adopts the principles of the Toyota Production System,is a systematic approach for identifying and eliminating non-value-added activities through continuous improvement by crossing multiple departments derived from patient requirements.