An expert system is software that uses a knowledge base of human expertise for problem solving, or clarifies uncertainties where normally one or more human experts would need to be consulted. Expert systems are most common in a specific problem domain, and are a traditional application and/or subfield of artificial intelligence (AI). A "HOSPITAL MANAGEMENT SYSTEM'' is a computerized management system. This management system has been developed to form whole management system including Employees, Doctors (consultants), Nurses, Patients, Bills, and Complains etc. This system also keeps the...