"Taiwan Society of Internal Medicine" was founded on the 13th of June 1987. Its main purpose is to raise the quality of internal medicine, including clinical research and practice of internal medicine, public health and with international academic exchanges. The membership has increased from 984 at the initiation to 8,559 at present. There are 2,153 members (25.15%) with the age of 30-39, 2,596 members (30.33%) with the age of 40-49 and 2,278 members (26.62%) with the age of 50-59. Therefore, 82.1% of current members of this Society are aged between 30 to 59. There are 7,694 male members (89.89%) and 865 female members (10.11%) in the Society (Fig. 1). During the course of 25 years since its inception, the number of members has seen an increment of 7,575. After the year 2000, an average of 304 specialists in internal medicine had joined our Society each year, and such rapid growth makes society the biggest medical organization in Taiwan (Fig. 2). In addition, the Society of Internal Medicine also dedicates itself to the continued education of its members, the introduction of digitized management system, improvement in quality and efficiency of healthcare, the promotion of medical ethics in doctors' practice of medicine, and the organization of various international conferences to encourage international exchanges.

The society has established nine "Committees", which includes the " Membership Qualifying Committee", the "Teaching Hospital Accreditation Committee", the "Editorial Committee of Journals of Internal Medicine", the "Education Committee", the "Committee of Committee of Journals of Internal Medicine", the "Education Committee", the "Committee of Academic Research", the "Healthcare Policy Committee", the "Finance Committee", the"Medical Ethics Committee" and the "International Academic Exchange Committee". Each of the committees has its own tasks, and the "Secretariat" is responsible for executing and fulfilling the policies and goals specified by the committees.