In order to adjust the national economy and reflect the industrial policy in time, the tax policy is constantly changing. Successful tax planning is the result of updating and obtaining tax policies in time and optimizing various tax schemes. Make use of the changing adaptability of tax policy and economic reality to find the growth point of taxpayers' interests in taxation. Aerospace information software can help enterprises to establish a sense of risk cost in tax planning, analyze various possible risk factors, actively take effective measures to prevent them from falling into the negative trap of tax evasion, fully demonstrate the legality and rationality of planned projects and the comprehensive benefits of enterprises from many aspects, pay attention to the changes of tax policies and the characteristics and specific methods of tax collection and management by local tax authorities, apply accounting knowledge to practice from the perspective of overall tax burden, optimize selection criteria, and maximize the overall profit of enterprises as much as possible under the condition of small tax burden. [3]