The question prominent small and medium-sized enterprise majority is the private enterprise, these enterprises often control by person of or the small number of people, the financial domination is centralized, the financial system is not perfect, lacks the effective internal control system, some enterprises have the relative consummation system, also has the chapter not to follow.Not only in primitive certificate aspects and so on recording management, production control by norms, measurement approval management does not have the system to be possible to say, moreover in finance and accounting department responsibility jurisdiction, finance and accounting personnel post responsibility system, bookkeeping aspect also chaotic disorder and so on disposal procedure system, internal diversion system, investigation system