Location-based social networks, which add geo-information into traditional social networks, link people’s virtual and real world lives. As an important application of location-based social networks, location recommendation can recommend places that people may be interested in, provide choices for people’s out-going and make people’s lives much more convenient. Against this background, the relevant concepts of location recommendation, the methods it usually uses, data sets it deals with, evaluation methods for recommendation effectiveness and the problems it faces were delved and the future possible research directions were forecasted, hoping to provide more useful reference for researches in relevant fields.