The invention discloses a POI (point of interest) recommending method, a POI information processing method and a server. The POI recommending method comprises the steps: acquiring spatio-temporal information of user activity of each user in a social group according to the user generation content; determining a core activity space of the user activity in the social group according to the spatio-temporal information; acquiring POI access information of each user in the social group according to the user generation content; analyzing the POI access information to generate a POI analysis result and selecting POI in the core activity space according to the POI analysis result, and recommending the POI to the user in the social group.