Nibao gold deposit has came to the scale of a big deposit, is another representation of “two floors mechanism” gold deposit in Zhimudang. Gold orebody is controlled by north-east reverse fault (F1) and the anticlinal core interlayer fault and limb reverse fault (Fc) of “Erlongqiangbao” in its hanging wall. The characteristics include numerous orebody, big thickness, low ore grade and shallow burry. The prospecting potential of Nibao gold ore district and its metallogenic belt is huge.