CertifiedPractisingAccountant (CPA) refers to a person who has passed the CPA qualification examination and obtained a CPA certificate to practice in an accounting firm. The CPA examination is divided into professional stage and comprehensive stage, in which the subjects in the professional stage include Accounting, Auditing, Financial Cost Management, Economic Law, Tax Law and Corporate Strategy and Risk Management. The subject of the comprehensive stage examination is the comprehensive test of professional ability (papers 1 and 2).