Cosmos Hospital, located in Usuki City, Oita Prefecture, is a core hospital in the city established by members of the Usuki City Medical Association to provide regional healthcare. The hospital offers a wide range of medical departments including Cardiology, Respiratory Medicine, Gastroenterology, Diabetology and Endocrinology, Surgery, Orthopedics, Neurosurgery, Rehabilitation Medicine, Rheumatology, Neurology, Dermatology, and Hematology, meeting the diverse medical needs of local residents. The hospital also provides examinations such as gastrointestinal endoscopy, ultrasound diagnosis, and exercise stress testing, and has specialized outpatient clinics for smoking cessation and memory concerns. To receive outpatient or inpatient care, a referral letter is required except when the hospital is on emergency duty, and an appointment system is in place. Consulting hours are from 8:30 AM to 12:00 PM and 1:00 PM to 5:00 PM, Monday through Friday, with closures on Saturdays, Sundays, public holidays, August 13-15, and December 30 to January 3. Payment methods include credit cards, debit cards, and electronic payments, with parking facilities and barrier-free access available. The hospital also provides support in English and Chinese.