Chief Physician Institution in the Bahri Mamluk PeriodThe Mamluks , was being one of the most important nation in medieval period, they were proved their success not only in military field as well as in area of scholarship. The intensive reconstruction activities were contributed in great deal to development of the scholarship in the Mamluk period. In that age, Egypt and Syria were became pioneer of the center of culture and prosperity. Every one of these centers, there was great number of distinguished scholars were succeeding in their educations. During the Mamluk time despite the stagnation of the social science, there were important developments in the science of physic. There was evidence, some physics' that had great contribution to the science of physic, were not only concentrated on writing activities also concentrated on education of the science of physic. Mainly concentrates on chief physician institution, which was undertaken by physicians. First of all, concentrates on nature of the concept chief physician. Second of all, try to evaluate in general about advent of the chief physician institution and its development. Then, try to present some chronological information regarding advent of chief physician institution, necessary features for the chief physician profession and try to find out duty of the chief physician. Thus, in the framework of facilities, which was provided by the sources, try to provide some information regarding operation of this institution.