한의사, or Korean medicine doctors, specialize in traditional Korean medicine, which includes herbal medicine, acupuncture, and moxibustion. They focus on holistic approaches to health, aiming to balance the body's energy, known as qi or ki. In South Korea, 한의사 undergo extensive training, typically completing a six-year program at a university specializing in traditional medicine. They are licensed practitioners and often work alongside conventional medical professionals to provide comprehensive care for various health issues, emphasizing prevention and natural healing methods.