Enterprise's informationization is a very popular vocabulary in modern business administration,It has far-reaching meaning to existence, developing of enterprises. Enterprise's informationization is as promoting and realizing enterprise's system innovation, technological innovation, and management innovation, the important means to strengthen enterprise's key competitiveness and only way, have already generally approved for a lot of enterprises especially big enterprises in our country in recent years, and become their strategic choice. However, because enterprise's informationization is a quite arduous and complicated system engineering, remain the brand-new subject to a lot of Chinese enterprises, no matter in planning or in the course of building information basely, a great deal of doubts and puzzled exist. This text explains in detail that has analyzed the content of eight major tactics of enterprise's informationization, and concrete method and some questions and difficulty that often meet in the information-based course of enterprise, have proposed that informationalized construction and planning some questions with regularity, universality and tactic in the course has carried on research and explored.