"鼠巢树上"是东晋小说家干宝创作的一篇小说.鼠巢树上 汉成帝建始四年九月,长安城南,有鼠衔黄稿柏叶,上民冢柏及榆树上为巢,桐柏为多,巢中无子,皆有干鼠矢数升.时议臣以为恐有水灾.鼠盗窃小虫,夜出,昼匿,今正昼去穴而登木,象贱人将居贵显之占.桐柏,卫思后园所在也,其后赵后自微贱登至尊,与卫后同类,赵后终无子,而为害.明年,有鸢焚巢杀子之象云.京房易传曰:"臣私禄罔干,厥妖鼠巢." 干宝,生卒年不详,东晋新蔡(今河南省新蔡县)人,字令升.著述颇丰,主要有"周易注","五气变化论","论妖怪" ,"论山徙","司徒仪","周官礼注","晋记","干子","春秋序论","百志诗","搜神记"等.其祖父干统,三国时为东吴奋武将