In　recent　years,　the　micro　blog　in　the　social　networks　in　China　is　becoming　more　and　more　important,　people　use　micro　blog　more　frequent,　people　can　follow　to　the　people　they　want　to　know,　and　people　who　have　common　interests.　Based　on　the　analysis　and　research　of　the　existing　micro　blog　friend　recommendation　algorithm,　this　paper　proposes　a　friend　recommendation　algorithm　based　on　user　relationship　in　micro　blog,　improve　the　accuracy　of　recommendation.