Subject: "Dermatology medical model and health care activities in the Department of the Central Hospital medical dermatology from 2009 to 2011" study on secondary data from 605,741 patients in clinic examinationdisease, skin disease model to describe seasonal changes and the advantages difficulty in providing medical services in the medical department. Cross-sectional studies, retrospective secondary data, combined qualitative. Using descriptive statistical analysis and test analysis when squared. Research results show that the number of patients to examination with the growing trend. Total of 14 major disease groups accounted for (81.6 percent). Rate of 10 most common skin diseases accounted for (47.1 percent). Summer the number of patients increases, the number of patients at winter. Time of examination and counseling for patients with less.