The development of the computer technology advances of the information has a profound impact on the society. The companies’ internal controls and an important means of the internal management of the internal audit face with a important change. This paper is divided into five parts:First, introduce the outline of internal audit control;Second, analyze the status of enterprises internal control audit system at home and abroad;Third, the existing problems and risks of corporate audit in the information technology environment;Forth, the countermeasures of enterprise in the information technology environment. Finally, the conclusions of this paper.