///Permian Chuanshan and Qixia formation limestones are exposed in the southwest of Laiyuan intermountain basin Shangcun area, which occurs the cave group such as Youqin cave, Xianyun cave. The chemical-sedimentary types of gravitational water deposits, nongravitational water deposits, synergetic deposits of the mixed water stream and superimposed deposits are complete. A large amount of the lotus pots aspargus, lotus pots pillar, curly stone branch and a scale of limestone dam like fine lines are rare in other caves of Fujian. The well-preserved and beautiful stalactite is good geologic relic for researching different cave environment and the chemical sedimentary of fluid flow. It is precious resources of the cave tourism too.