The value-based care model begins with evidence-based healthcare. This innovative and integrated care concept combines patient-centered and patient values. Patients with dementia require helps from caregiver due to cognitive decline. Good assessment quality for quality of life can be obtained by using standardized tools. This article illustrates the history of value-based care and 10 principles of conducting value-based dementia care, and introduces the campaign of Choosing Wisely started in the United States since 2012. The author also organizes the guidelines for care of dementia brought up by medical associations in the United States and Canada to provide a reference of future health care service for the readers.