The presence of the Arabian American Oil Company (Aramco) played an important role in the eastern region. He contributed to its growth in all aspects of life, and the health aspect represented by the establishment of the “Dhahran Health Center” 1367-1379 AH / 1947-1960 AD was the greatest example of this. The Saudi government’s keenness to make building the best hospitals and taking care of the company’s employees and their families among its priorities in the Eastern Province indicates its long-term and compassionate outlook on its people.

     The research was divided into two sections. The first topic dealt with: Aramco and the beginning of health services in the Dhahran Health Center, in terms of the beginning of health services in Dhahran and the establishment of the Dhahran Health Center. The second topic: about the most important programs for Aramco in the Dhahran Health Center, which consist of preventive medicine, And health training programs at the Dhahran Health Center, with a conclusion mentioning the most important results reached in the research.

Keywords: Aramco Oil, Dhahran Health Center, therapeutic medicine, preventive medicine