Medical education in geriatrics is an important requirement to ready the profession to provide comprehensive health care to the world's and also Taiwan's aging population. The predoctoral curricula and postdoctoral training programs in the United States were developed and supported by government agencies and professional education societies. Geriatric medical education in American medical schools has improved in the past 20 years, yet is still facing many challenges. The purposes of this paper are to review the current progress of, and propose some main principles and policies for the development of geriatric medical education and current progress in the United States. Geriatric medical education should be mandatory to adequately prepare medical students, residents, fellows, and practicing physicians to treat the elderly. The current progress and practice of geriatric medical education at the University of Texas Health Science Center at San Antonio are presented as an example.