The invention discloses an outdoor intelligent advertisement promotion system and a method. The system comprises a server, at least one advertisement terminal and at least one user terminal, wherein the server is used for acquiring browsing records or/and search records of each user terminal on set software, and acquiring the duration of browsing each record at the same time, so as to acquire theinterest of a user in a set product or/and service; the server is also used for acquiring position information of each user terminal; the server is used for sending control information to each advertisement terminal and controlling advertisement content played by each advertisement terminal; and the server acquires the user terminals existing in the set distance of each advertisement terminal, oracquires the user terminals meeting the set position condition with each advertisement terminal, acquires the common interest point of the user terminals, and plays the advertisement content corresponding to the common interest point. According to the outdoor intelligent advertisement promotion system provided by the invention, the set advertisement can be promoted to more interested users, and the advertisement playing effect is improved.