Abstract
	Accessability of the right information in the right time is in present time a big concurency advantage. Enterprises, which don’t have in the right time necessarious informations, in concurency are loosing in comparison to these companies, which information have got. Result of these is inflexible flow of irregular dates and disability for flexible reaction. 
Manager information system can prevent problems like, escape of internal information, irregular dates, etc.
	Enterprise can behave organised against claims and demands of their customers, they can solve problems just in time and gain advantage befor concurency.
Enterprise is in lead – time and become, like company, more agressive and powerfull.
	Managemant information systems are base for management decision on middle and high level of management.
	Information technologies  are infiltrated to all areas of todays life. The ability of effective utilization is large critery, which determine achieve of individual, enterprise and the whole community. Utilization of information technologies in enterprise is realized through their information system.