Tayyar Kuşcu is a physician who has contributed significantly to Turkish medicine by pioneering the establishment of rheumatology based on internal diseases in Turkey. In this study, Dr. Tayyar Kuşçu’s work, namely “Haymana Thermal Spring and Its Benefits”, will be examined in which he wrote about the history of the thermal spring in Ankara's Haymana district, and the properties and benefits of the thermal spring water while he was working as Government and Dispensary Doctor in Haymana. The work, which was published in 1946 in Istanbul Işıl Printing House, consists of 104 pages. After talking about the history of Haymana, the history and current status of the thermal spring, the characteristics of the thermal spring water, and the bathing technique in his work, the author wrote his observations about the patients who came to the spa for treatment due to various diseases, in chapters.Haymana thermal springs, located in the capital of the country in the Anatolian geography with rich thermal water resources, have an important position for those who seek healing for their diseases. The work of art of Dr. Tayyar Kuşçu, which includes extensive research, provides important information that sheds light on the history, features and benefits of Haymana thermal spring.