GP's business is a medical PRACTICE, which is a type of business that provides medical services to patients. A GP, or general practitioner, is a doctor who provides primary care services, such as diagnosis and treatment of illnesses, to patients. GP's business typically includes a variety of services, including preventive care, diagnosis and treatment of illnesses, and referrals to specialists. GP's business also often includes providing advice on lifestyle changes, such as diet and exercise, to help patients maintain their health.