Nowadays, technological development causes there are many businessmen who need to use internet to co-operate their businesses from internet transaction. It will cause employees have chance to use technological methods to steal employers whose cash from whose companies' computer system. So, if whose employers neglect to concern whose employees' behavior. It will have company's loss threats from whose employees' crime behavior in possible. Thus, if employers can permit when those employees' stealing crime behavior will occur or who will be the first one or next one business crime behavior staff or where the business crime place in whose office or store or shop or warehouse anywhere places or locations are. Then, I believe that the businessmen whose loss threats will be reduced from staffs' stealing ensure. This book aims to be given my opinions to let businessmen can apply psychology methods or minds or technological methods to predict staff when whose will act business crime psychology behavior when and where will occur in any situations more easily. .In my this book, I shall explain what psychological functions can help our society to raise more benefits in possible and my readers can begin to know why we need have psychological knowledge to learn.