Architecture of Logistics system is the interior operation environment and business platform for Logistics companies, which is to steer to build special logistics system and tactics frame-saw to realize the company's objectives. Further more, characteristic and design principle of architecture are mentioned. There are 4 levels in this article to discuss the architecture of TPL system. Six elements contained in the architecture are mentioned: information platform, tech-equipment platform, knowledge platform, organization platform, business platform and functional platform, Furthermore, the mutual connection among which is analyzed as a whole. In conclusion, measure of the transfer from traditional storage and transportation to modern logistics is discussed.