As the indispensable contents in enterprise financial management, tax planning which gets more and more enterprise attention and concern takes the goal of ＂complying with tax law under the premise of lowering taxes to the greatest degree and realizing after-tax profit maximization＂. During the extent permitted by law or non-violated the tax law, enterprises should learn to plan rationally and reduce the tax burden in order to achieve corporate wealth maximization. This paper analyzes the characteristics of enterprise tax planning and explores the four specific application areas of enterprise tax planning in the financing, investment, production operation and distribution of profits.