Crawler method and device based on social relation network

The invention relates to a crawler method based on a social relationship network. The crawler method comprises the following steps: step 1) taking an association relationship between users, namely thesocial relationship network, as a link of a crawler during collection; 2) based on the link of the crawler, acquiring data published by each user in the social relation network by accessing an application programming interface API; wherein on the basis of the link of the crawler, the latest published or updated data of each user in the social relation network is collected according to the publishing time of the data in the mode of accessing an application programming interface (API). The invention further relates to a crawler device based on the social relation network. According to the method and the device, the social relation network can be obtained based on the mutual attention relation among the users, layer-by-layer deep grabbing is carried out on the basis of the social relation network, full-amount data c