It is always necessary to regularly review or monitor the system and structures of a business. Environment is not stable and many changes are taking place in the environment. Marketing trends and customer’ demands are also changing. Changes in technology, business practices and increasing competition may create new problems for business. These many adversely affect the business operations. For smooth running a business it becomes necessary to minimising these changes. So managers should review the systems and structures of a business for identifying strength, weakness and opportunities. Management should prepare action plan for overcoming these problems.