Sales promotion system and sales promotion method

[Problem] To promote sales of goods in a real store by accurately identifying goods predicted to be purchased by a customer. [Solution] A cyber action management server 1 collects cyber action historical information concerning past action of each person in respective sites on the internet. A real action management server 11 collects real action historical information concerning past action of each person in real stores. Integrated action management server 21 integrates the cyber action historical information with the real action historical information for each person, generates integrated action historical information for each person, analyzes and processes the integrated action historical information, and generates purchase prediction information concerning goods predicted to be purchased by a target customer. A sales promotion information distribution server 22 distributes sales promotion information (including coupon and service instruction) concerning the target customer to a terminal 5 of the target customer and a terminal 23 of a worker on the basis of the purchase prediction information.